| tiancao1001 于 2010-05-22 09:16 PM 发表评论： |
活荷载不取小于0.5的理由：
门刚安全储备低
风荷载和雪荷载标准值，已不能满足近几年的频发的极端气候条件。
规范规定应取0.5，注和条文说明中的条件，适用性太低。 |
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| 查看所评论的日志：轻钢屋面活荷载取值？ |
| tiancao1001 于 2010-05-22 08:49 PM 发表评论： |
中华钢结构论坛的bjdtm2001有这样一个签名：
结构工程已全面进入软件时代，结构工程师应该从繁琐的重复劳动中解脱出来，更加注重结构概念和体系，培养结构整体思维。
很有道理，我们更应该注重软件的应用，概念设计，结构体系，结构选型，抗震构造，而没有必要重复在校期间的手算和校核，请相信我们软件的安全系数。
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| 查看所评论的日志：田草日志 |
| bill165 于 2010-05-18 01:34 PM 发表评论： |
在操作完之后屏幕上还是选择了物体，在操作完之后如何才能取消选择呢？
谢谢 |
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| 查看所评论的日志：CAD VBA 先选择后操作 PickfirstSelectionSet |
| xeniabear 于 2010-05-11 04:14 PM 发表评论： |
How to fight on Aion?
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| 查看所评论的日志：AutoCAD绘制立体文字 |
| jinsoo 于 2010-05-11 04:07 PM 发表评论： |
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| 查看所评论的日志：天正全套图库分享 |
| leijinhua 于 2010-05-06 10:47 PM 发表评论： |
站长，本人对这个很感兴趣啊，能否发给我一份这方面资料啊！
邮箱：905226787@qq.com |
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| 查看所评论的日志：Visual Basic 2005 飞信SDK开发短信收发程序 |
| bee213 于 2010-05-06 11:12 AM 发表评论： |
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| 查看所评论的日志：AutoCAD VBA 二次开发教程源码 |
| xhxj2004 于 2010-04-29 11:37 AM 发表评论： |
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| 查看所评论的日志：300 个 AutoCAD Fonts 字体下载 |
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