<p style="MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 20pt; mso-line-height-rule: exactly;"><b style="mso-bidi-font-weight: normal;"><span style="FONT-SIZE: 13.5pt; FONT-FAMILY: 楷体_GB2312; mso-bidi-font-family: Arial; mso-hansi-font-family: Arial;">一、缘由<span lang="EN-US"><p></p></span></span></b></p><p></p><p></p><p></p><p></p><p></p><p></p><p></p><p></p><p style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 13.5pt; LINE-HEIGHT: 20pt; mso-line-height-rule: exactly; mso-char-indent-count: 1.0;"><span style="FONT-SIZE: 13.5pt; FONT-FAMILY: 楷体_GB2312; mso-bidi-font-family: Arial; mso-hansi-font-family: Arial;">有感于论坛上一些兄弟一笔定终身或归宿笔的情节<span lang="EN-US">,</span>钦佩<span lang="EN-US">R9</span>和<span lang="EN-US">mr_chenlei</span>等诸兄对于某一支笔的钟爱<span lang="EN-US">,</span>想估算一下<span lang="EN-US">,</span>一支钢笔的笔尖正常书写情况下能否支持这些兄弟想法的实现。<span lang="EN-US"><p></p></span></span></p><p></p><p></p><p></p><p></p><p></p><p></p><p></p><p></p><p style="MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 20pt; mso-line-height-rule: exactly;"><b style="mso-bidi-font-weight: normal;"><span style="FONT-SIZE: 13.5pt; FONT-FAMILY: 楷体_GB2312; mso-bidi-font-family: Arial; mso-hansi-font-family: Arial;">二、在估算时作出如下假设:<span lang="EN-US"><p></p></span></span></b></p><p></p><p></p><p></p><p></p><p></p><p></p><p></p><p></p><p style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 13.5pt; LINE-HEIGHT: 20pt; mso-line-height-rule: exactly; mso-char-indent-count: 1.0;"><span lang="EN-US" style="FONT-SIZE: 13.5pt; FONT-FAMILY: 楷体_GB2312; mso-bidi-font-family: Arial; mso-hansi-font-family: Arial;">1</span><span style="FONT-SIZE: 13.5pt; FONT-FAMILY: 楷体_GB2312; mso-bidi-font-family: Arial; mso-hansi-font-family: Arial;">、以论坛众兄弟平均年龄<span lang="EN-US">25</span>岁开始计,至<span lang="EN-US">65</span>岁止,持续书写时间按<span lang="EN-US">40</span>年估算。(我想差不多了吧,年龄小时不太喜欢用钢笔,<span lang="EN-US">65</span>岁以上基本不需要用钢笔);<span lang="EN-US"><p></p></span></span></p><p></p><p></p><p></p><p></p><p></p><p></p><p></p><p></p><p style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 13.5pt; LINE-HEIGHT: 20pt; mso-line-height-rule: exactly; mso-char-indent-count: 1.0;"><span lang="EN-US" style="FONT-SIZE: 13.5pt; FONT-FAMILY: 楷体_GB2312; mso-bidi-font-family: Arial; mso-hansi-font-family: Arial;">2</span><span style="FONT-SIZE: 13.5pt; FONT-FAMILY: 楷体_GB2312; mso-bidi-font-family: Arial; mso-hansi-font-family: Arial;">、不考虑遗失、损坏、交易等非正常书写因素;<span lang="EN-US"><p></p></span></span></p><p></p><p></p><p></p><p></p><p></p><p></p><p></p><p></p><p style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 13.5pt; LINE-HEIGHT: 20pt; mso-line-height-rule: exactly; mso-char-indent-count: 1.0;"><span lang="EN-US" style="FONT-SIZE: 13.5pt; FONT-FAMILY: 楷体_GB2312; mso-bidi-font-family: Arial; mso-hansi-font-family: Arial;">3</span><span style="FONT-SIZE: 13.5pt; FONT-FAMILY: 楷体_GB2312; mso-bidi-font-family: Arial; mso-hansi-font-family: Arial;">、持续书写,不考虑收藏,未对笔尖作持续保养(我也不知道该怎样保养笔尖);<span lang="EN-US"><p></p></span></span></p><p></p><p></p><p></p><p></p><p></p><p></p><p></p><p></p><p style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 13.5pt; LINE-HEIGHT: 20pt; mso-line-height-rule: exactly; mso-char-indent-count: 1.0;"><span lang="EN-US" style="FONT-SIZE: 13.5pt; FONT-FAMILY: 楷体_GB2312; mso-bidi-font-family: Arial; mso-hansi-font-family: Arial;">4</span><span style="FONT-SIZE: 13.5pt; FONT-FAMILY: 楷体_GB2312; mso-bidi-font-family: Arial; mso-hansi-font-family: Arial;">、不对诸笔的性能进行严格的分类,只作估算;<span lang="EN-US"><p></p></span></span></p><p></p><p></p><p></p><p></p><p></p><p></p><p></p><p></p><p style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 13.5pt; LINE-HEIGHT: 20pt; mso-line-height-rule: exactly; mso-char-indent-count: 1.0;"><span lang="EN-US" style="FONT-SIZE: 13.5pt; FONT-FAMILY: 楷体_GB2312; mso-bidi-font-family: Arial; mso-hansi-font-family: Arial;">5</span><span style="FONT-SIZE: 13.5pt; FONT-FAMILY: 楷体_GB2312; mso-bidi-font-family: Arial; mso-hansi-font-family: Arial;">、钢笔其它部件在笔尖使用年限内不出现故障,以支持笔尖寿终正寝。可换笔杆,但笔尖不换。<span lang="EN-US"><p></p></span></span></p><p></p><p></p><p></p><p></p><p></p><p></p><p></p><p></p><p style="MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 20pt; mso-line-height-rule: exactly;"><b style="mso-bidi-font-weight: normal;"><span style="FONT-SIZE: 13.5pt; FONT-FAMILY: 楷体_GB2312; mso-bidi-font-family: Arial; mso-hansi-font-family: Arial;">三、估算比照对象:<span lang="EN-US"><p></p></span></span></b></p><p></p><p></p><p></p><p></p><p></p><p></p><p></p><p></p><p style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 13.5pt; LINE-HEIGHT: 20pt; mso-line-height-rule: exactly; mso-char-indent-count: 1.0;"><span lang="EN-US" style="FONT-SIZE: 13.5pt; FONT-FAMILY: 楷体_GB2312; mso-bidi-font-family: Arial; mso-hansi-font-family: Arial;">1</span><span style="FONT-SIZE: 13.5pt; FONT-FAMILY: 楷体_GB2312; mso-bidi-font-family: Arial; mso-hansi-font-family: Arial;">、<span lang="EN-US">sorwa</span>兄一年磨平一支英雄<span lang="EN-US">100</span>的案例;<span lang="EN-US"><p></p></span></span></p><p></p><p></p><p></p><p></p><p></p><p></p><p></p><p></p><p style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 13.5pt; LINE-HEIGHT: 20pt; mso-line-height-rule: exactly; mso-char-indent-count: 1.0;"><span lang="EN-US" style="FONT-SIZE: 13.5pt; FONT-FAMILY: 楷体_GB2312; mso-bidi-font-family: Arial; mso-hansi-font-family: Arial;">2</span><span style="FONT-SIZE: 13.5pt; FONT-FAMILY: 楷体_GB2312; mso-bidi-font-family: Arial; mso-hansi-font-family: Arial;">、猫版学生时代的那支派克。<span lang="EN-US"><p></p></span></span></p><p></p><p></p><p></p><p></p><p></p><p></p><p></p><p></p><p style="MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 20pt; mso-line-height-rule: exactly;"><b style="mso-bidi-font-weight: normal;"><span style="FONT-SIZE: 13.5pt; FONT-FAMILY: 楷体_GB2312; mso-bidi-font-family: Arial; mso-hansi-font-family: Arial;">四、估算过程:<span lang="EN-US"><p></p></span></span></b></p><p></p><p></p><p></p><p></p><p></p><p></p><p></p><p></p><p style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 13.5pt; LINE-HEIGHT: 20pt; mso-line-height-rule: exactly; mso-char-indent-count: 1.0;"><span lang="EN-US" style="FONT-SIZE: 13.5pt; FONT-FAMILY: 楷体_GB2312; mso-bidi-font-family: Arial; mso-hansi-font-family: Arial;">1</span><span style="FONT-SIZE: 13.5pt; FONT-FAMILY: 楷体_GB2312; mso-bidi-font-family: Arial; mso-hansi-font-family: Arial;">、<span lang="EN-US">sorwa</span>兄一年磨平一支英雄<span lang="EN-US">100</span>的案例事实陈述:<span lang="EN-US"><p></p></span></span></p><p></p><p></p><p></p><p></p><p></p><p></p><p></p><p></p><p style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 13.5pt; LINE-HEIGHT: 20pt; mso-line-height-rule: exactly; mso-char-indent-count: 1.0;"><span lang="EN-US" style="FONT-SIZE: 13.5pt; FONT-FAMILY: 楷体_GB2312; mso-bidi-font-family: Arial; mso-hansi-font-family: Arial;">sorwa</span><span style="FONT-SIZE: 13.5pt; FONT-FAMILY: 楷体_GB2312; mso-bidi-font-family: Arial; mso-hansi-font-family: Arial;">兄每天书写量大约在<span lang="EN-US">6</span>万~<span lang="EN-US">8</span>万字间,一年内英雄<span lang="EN-US">100</span>铱粒几乎磨光,该笔购于<span lang="EN-US">11</span>处,系正品且经<span lang="EN-US">11</span>精心挑选。<span lang="EN-US"><p></p></span></span></p><p></p><p></p><p></p><p></p><p></p><p></p><p></p><p></p><p style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 13.5pt; LINE-HEIGHT: 20pt; mso-line-height-rule: exactly; mso-char-indent-count: 1.0;"><span style="FONT-SIZE: 13.5pt; FONT-FAMILY: 楷体_GB2312; mso-bidi-font-family: Arial; mso-hansi-font-family: Arial;">假设一般书写量:<span lang="EN-US"><p></p></span></span></p><p></p><p></p><p></p><p></p><p></p><p></p><p></p><p></p><p style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 13.5pt; LINE-HEIGHT: 20pt; mso-line-height-rule: exactly; mso-char-indent-count: 1.0;"><span style="FONT-SIZE: 13.5pt; FONT-FAMILY: 楷体_GB2312; mso-bidi-font-family: Arial; mso-hansi-font-family: Arial;">平均以日常工作日志六孔的活页纸,每行<span lang="EN-US">20</span>个字,每面<span lang="EN-US">19</span>行,每天写三张纸为一般书写量,即<span lang="EN-US">20</span>×<span lang="EN-US">19</span>×<span lang="EN-US">6=2280</span>个字,剔除标题、未满行、空行等情况,按<span lang="EN-US">80%</span>计,即实际书写量应为<span lang="EN-US">2280</span>×<span lang="EN-US">80%=1824</span>个字。</span><span lang="EN-US" style="FONT-SIZE: 10.5pt; FONT-FAMILY: Arial;"><p></p></span></p><p></p><p></p><p></p><p></p><p></p><p></p><p></p><p></p><p style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 13.5pt; LINE-HEIGHT: 20pt; mso-line-height-rule: exactly; mso-char-indent-count: 1.0;"><span style="FONT-SIZE: 13.5pt; FONT-FAMILY: 楷体_GB2312; mso-bidi-font-family: Arial; mso-hansi-font-family: Arial;">比照<span lang="EN-US">sorwa</span>兄:<span lang="EN-US"><p></p></span></span></p><p></p><p></p><p></p><p></p><p></p><p></p><p></p><p></p><p style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 13.5pt; LINE-HEIGHT: 20pt; mso-line-height-rule: exactly; mso-char-indent-count: 1.0;"><span style="FONT-SIZE: 13.5pt; FONT-FAMILY: 楷体_GB2312; mso-bidi-font-family: Arial; mso-hansi-font-family: Arial;">其每天书写量按<span lang="EN-US">7</span>万字估算,约为一般书写量的<span lang="EN-US"> 70000/1824=38</span>倍。<span lang="EN-US">sorwa</span>兄在此书写量的前提下,英雄<span lang="EN-US">100</span>持续工作一年后报废。<span lang="EN-US"><p></p></span></span></p><p></p><p></p><p></p><p></p><p></p><p></p><p></p><p></p><p style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 13.5pt; LINE-HEIGHT: 20pt; mso-line-height-rule: exactly; mso-char-indent-count: 1.0;"><span style="FONT-SIZE: 13.5pt; FONT-FAMILY: 楷体_GB2312; mso-bidi-font-family: Arial; mso-hansi-font-family: Arial;">推算:<span lang="EN-US"><p></p></span></span></p><p></p><p></p><p></p><p></p><p></p><p></p><p></p><p></p><p style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 13.55pt; LINE-HEIGHT: 20pt; mso-line-height-rule: exactly; mso-char-indent-count: 1.0;"><b style="mso-bidi-font-weight: normal;"><span style="FONT-SIZE: 13.5pt; FONT-FAMILY: 楷体_GB2312; mso-bidi-font-family: Arial; mso-hansi-font-family: Arial;">在一般书写量的正常情况下的话,一个笔尖可以写<span lang="EN-US">38</span>年。<span lang="EN-US"><p></p></span></span></b></p><p></p><p></p><p></p><p></p><p></p><p></p><p></p><p></p><p style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 13.5pt; LINE-HEIGHT: 20pt; mso-line-height-rule: exactly; mso-char-indent-count: 1.0;"><span lang="EN-US" style="FONT-SIZE: 13.5pt; FONT-FAMILY: 楷体_GB2312; mso-bidi-font-family: Arial; mso-hansi-font-family: Arial;"><p> <span style="FONT-SIZE: 13.5pt; FONT-FAMILY: 楷体_GB2312; mso-bidi-font-family: Arial; mso-hansi-font-family: Arial;"><span lang="EN-US"><p></p></span></span></p><p></p><p></p></span></p><p> <span style="FONT-SIZE: 13.5pt; FONT-FAMILY: 楷体_GB2312; mso-bidi-font-family: Arial; mso-hansi-font-family: Arial;"><span lang="EN-US"><p></p></span></span></p><p></p><p></p><p></p><p> <span lang="EN-US" style="FONT-SIZE: 13.5pt; FONT-FAMILY: 楷体_GB2312; mso-bidi-font-family: Arial; mso-hansi-font-family: Arial;">2</span><span style="FONT-SIZE: 13.5pt; FONT-FAMILY: 楷体_GB2312; mso-bidi-font-family: Arial; mso-hansi-font-family: Arial;">、猫版学生时代的那支派克事实陈述:<span lang="EN-US"><p></p></span></span></p><p></p><p></p><p></p><p></p><p></p><p></p><p></p><p></p><p style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 27pt; LINE-HEIGHT: 20pt; mso-line-height-rule: exactly; mso-char-indent-count: 2.0;"><span style="FONT-SIZE: 13.5pt; FONT-FAMILY: 楷体_GB2312; mso-bidi-font-family: Arial; mso-hansi-font-family: Arial;">依稀记得猫版的那支派克是自小学到大学时代持续书写。<span lang="EN-US"><p></p></span></span></p><p></p><p></p><p></p><p></p><p></p><p></p><p></p><p></p><p style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 27pt; LINE-HEIGHT: 20pt; mso-line-height-rule: exactly; mso-char-indent-count: 2.0;"><span style="FONT-SIZE: 13.5pt; FONT-FAMILY: 楷体_GB2312; mso-bidi-font-family: Arial; mso-hansi-font-family: Arial;">分析:时间按小学三年、初中三年、高中三年、大学四年估算,持续时间共计<span lang="EN-US">13</span>年。<span lang="EN-US"><p></p></span></span></p><p></p><p></p><p></p><p></p><p></p><p></p><p></p><p></p><p style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 27pt; LINE-HEIGHT: 20pt; mso-line-height-rule: exactly; mso-char-indent-count: 2.0;"><span style="FONT-SIZE: 13.5pt; FONT-FAMILY: 楷体_GB2312; mso-bidi-font-family: Arial; mso-hansi-font-family: Arial;">剔除寒暑假期每年<span lang="EN-US">2</span>个月的时间(应为<span lang="EN-US">3</span>~<span lang="EN-US">4</span>个月,假期作业及其它估算<span lang="EN-US">1</span>~<span lang="EN-US">2</span>个月),实际持续书写时间应约为<span lang="EN-US">13</span>年×(<span lang="EN-US">10/12</span>)<span lang="EN-US">=11</span>年。<span lang="EN-US"><p></p></span></span></p><p></p><p></p><p></p><p></p><p></p><p></p><p></p><p></p><p style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 27pt; LINE-HEIGHT: 20pt; mso-line-height-rule: exactly; mso-char-indent-count: 2.0;"><span style="FONT-SIZE: 13.5pt; FONT-FAMILY: 楷体_GB2312; mso-bidi-font-family: Arial; mso-hansi-font-family: Arial;">剔除其它笔种完成的书写量,暂按<span lang="EN-US">10</span>~<span lang="EN-US">20%</span>估算,实际持续书写时间应约为<span lang="EN-US">13</span>年×(<span lang="EN-US">10/12</span>)×<span lang="EN-US">85%=9</span>年。<span lang="EN-US"><p></p></span></span></p><p></p><p></p><p></p><p></p><p></p><p></p><p></p><p></p><p style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 27pt; LINE-HEIGHT: 20pt; mso-line-height-rule: exactly; mso-char-indent-count: 2.0;"><span style="FONT-SIZE: 13.5pt; FONT-FAMILY: 楷体_GB2312; mso-bidi-font-family: Arial; mso-hansi-font-family: Arial;">学生时代因为笔记、作业、考试、草稿等相关因素,致使其书写量相对一般工作时的书写量要大得多,以上面的假设的一般书写量为衡量标准,学生时期的书写量暂估为一般书写量的<span lang="EN-US">5</span>倍。<span lang="EN-US"><p></p></span></span></p><p></p><p></p><p></p><p></p><p></p><p></p><p></p><p></p><p style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 13.5pt; LINE-HEIGHT: 20pt; mso-line-height-rule: exactly; mso-char-indent-count: 1.0;"><span style="FONT-SIZE: 13.5pt; FONT-FAMILY: 楷体_GB2312; mso-bidi-font-family: Arial; mso-hansi-font-family: Arial;">推算:<span lang="EN-US"><p></p></span></span></p><p></p><p></p><p></p><p></p><p></p><p></p><p></p><p></p><p style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 13.55pt; LINE-HEIGHT: 20pt; mso-line-height-rule: exactly; mso-char-indent-count: 1.0;"><b style="mso-bidi-font-weight: normal;"><span style="FONT-SIZE: 13.5pt; FONT-FAMILY: 楷体_GB2312; mso-bidi-font-family: Arial; mso-hansi-font-family: Arial;">换算成假设条件中一般书写量,一支钢笔笔尖持续书写寿命约为<span lang="EN-US">9</span>×<span lang="EN-US">5=45</span>年。<span lang="EN-US"><p></p></span></span></b></p><p></p><p></p><p></p><p></p><p></p><p></p><p></p><p></p><p style="MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 20pt; mso-line-height-rule: exactly;"><b style="mso-bidi-font-weight: normal;"><span style="FONT-SIZE: 13.5pt; FONT-FAMILY: 楷体_GB2312; mso-bidi-font-family: Arial; mso-hansi-font-family: Arial;">五、调整:<span lang="EN-US"><p></p></span></span></b></p><p></p><p></p><p></p><p></p><p></p><p></p><p></p><p></p><p style="MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 20pt; mso-line-height-rule: exactly;"><span lang="EN-US" style="FONT-SIZE: 13.5pt; FONT-FAMILY: 楷体_GB2312; mso-bidi-font-family: Arial; mso-hansi-font-family: Arial;">1</span><span style="FONT-SIZE: 13.5pt; FONT-FAMILY: 楷体_GB2312; mso-bidi-font-family: Arial; mso-hansi-font-family: Arial;">、对两个案例推算出的结果加权平均,权值设置及说明:<span lang="EN-US"><p></p></span></span></p><p></p><p></p><p></p><p></p><p></p><p></p><p></p><p></p><p style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 13.5pt; LINE-HEIGHT: 20pt; mso-line-height-rule: exactly; mso-char-indent-count: 1.0;"><span style="FONT-SIZE: 13.5pt; FONT-FAMILY: 楷体_GB2312; mso-bidi-font-family: Arial; mso-hansi-font-family: Arial;">(<span lang="EN-US">1</span>)<span lang="EN-US">sorwa</span>兄的案例不具有代表性,每天约<span lang="EN-US">7</span>万字的书写量比较罕见,钢笔笔尖持续在高强度状态下工作,由此得出的推算值权值设置为<span lang="EN-US">0.3;<p></p></span></span></p><p></p><p></p><p></p><p></p><p></p><p></p><p></p><p></p><p style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 13.5pt; LINE-HEIGHT: 20pt; mso-line-height-rule: exactly; mso-char-indent-count: 1.0;"><span style="FONT-SIZE: 13.5pt; FONT-FAMILY: 楷体_GB2312; mso-bidi-font-family: Arial; mso-hansi-font-family: Arial;">(<span lang="EN-US">2</span>)猫版的情况比较普遍<span lang="EN-US">,</span>使用属于基本正常使用情况,具有代表性<span lang="EN-US">, </span>由此得出的推算值权值设置为<span lang="EN-US">0.7</span>。<span lang="EN-US"><p></p></span></span></p><p></p><p></p><p></p><p></p><p></p><p></p><p></p><p></p><p style="MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 20pt; mso-line-height-rule: exactly;"><span lang="EN-US" style="FONT-SIZE: 13.5pt; FONT-FAMILY: 楷体_GB2312; mso-bidi-font-family: Arial; mso-hansi-font-family: Arial;">2</span><span style="FONT-SIZE: 13.5pt; FONT-FAMILY: 楷体_GB2312; mso-bidi-font-family: Arial; mso-hansi-font-family: Arial;">、估算结论:<span lang="EN-US"><p></p></span></span></p><p></p><p></p><p></p><p></p><p></p><p></p><p></p><p></p><p style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 13.5pt; LINE-HEIGHT: 20pt; mso-line-height-rule: exactly; mso-char-indent-count: 1.0;"><span style="FONT-SIZE: 13.5pt; FONT-FAMILY: 楷体_GB2312; mso-bidi-font-family: Arial; mso-hansi-font-family: Arial;"><strong>一支钢笔笔尖的正常书写寿命估算为<span lang="EN-US">38</span>×<span lang="EN-US">0.3+45</span>×<span lang="EN-US">0.7=42.9</span>年<span lang="EN-US">,</span>即<span lang="EN-US">43</span>年。满足假设<span lang="EN-US">1</span>的要求。</strong><span lang="EN-US"><p></p></span></span></p><p></p><p></p><p></p><p></p><p></p><p></p><p></p><p></p><p style="MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 20pt; mso-line-height-rule: exactly;"><b style="mso-bidi-font-weight: normal;"><span style="FONT-SIZE: 13.5pt; FONT-FAMILY: 楷体_GB2312; mso-bidi-font-family: Arial; mso-hansi-font-family: Arial;">六、结论:<span lang="EN-US"><p></p></span></span></b></p><p></p><p></p><p></p><p></p><p></p><p></p><p></p><p></p><p style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 13.5pt; LINE-HEIGHT: 20pt; mso-line-height-rule: exactly; mso-char-indent-count: 1.0;"><span style="FONT-SIZE: 13.5pt; FONT-FAMILY: 楷体_GB2312; mso-bidi-font-family: Arial; mso-hansi-font-family: Arial;">只要不出现审美疲劳及假设<span lang="EN-US">2</span>、<span lang="EN-US">5</span>的情况,从钢笔笔尖的正常使用寿命角度分析,能够支持一笔定终身的想法实现。</span></p>
[此贴子已经被作者于2006-8-7 11:41:30编辑过]
|