[求助]打断不了,为什么
我在一个图里,画一个圆,与画一条PL相交,PL居然打不断,提示曲线内部不相交,我默认边界的,如果选圆,就提示对象未与边相交。这是为什么呢,是不是某个系统变量在做怪呢? 将Z轴归零 <p>什么叫打断?break不需要边界的<br/></p> 将Z轴归零,如何归0?打断,即剪切,TR <div style="WIDTH: 728px; HEIGHT: 90px;"><script type="text/javascript"></script><script src="http://pagead2.googlesyndication.com/pagead/show_ads.js" type="text/javascript"></script><script></script><iframe name="google_ads_frame" marginwidth="0" marginheight="0" src="http://pagead2.googlesyndication.com/pagead/ads?client=ca-pub-7471407183047897&dt=1225810975296&lmt=1225810975&prev_fmts=728x90_as%2C120x90_0ads_al_s&output=html&slotname=8773890557&correlator=1225810975125&url=http%3A%2F%2Fwww.mjtd.com%2FBBS%2Fdispbbs.asp%3FBoardID%3D3%26ID%3D66912%26replyID%3D90565%26skin%3D1&ea=0&ref=http%3A%2F%2Fwww.mjtd.com%2FBBS%2Fdispbbs.asp%3FBoardID%3D3%26ID%3D66912%26replyID%3D90696%26skin%3D1&frm=0&ga_vid=190104252.1225810597&ga_sid=1225810956&ga_hid=552075407&ga_fc=true&flash=9.0.0.296&u_h=900&u_w=1440&u_ah=870&u_aw=1440&u_cd=32&u_tz=480&u_his=2&u_java=true" frameborder="0" width="728" scrolling="no" height="90" allowtransparency="allowtransparency"></iframe></div><p>将Z轴归零</p><p>有什么好方法,或介绍一下好用的工具吧</p>
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