位于顶点下的

This makes the interface faster and keeps the view uncluttered. Often, however, we need to see inside of a mesh. That's when you use either Wireframe draw mode or toggle Back-Face Visibility.

然而，在很多情况下，我们都需要操作形体内部的顶点，这时候，你应该使用Wireframe绘制模式或者通过&Limit selection to visible &按钮，使得位于物体后面的被操作顶点可见。

The reasons of iron ions content overproof in grade Ⅱ desalting water system,such as variation water quality,contamination of regenerant , operation adjustment of pretreatment system and switching operation of bed were discussed.

对二级脱盐水系统中铁离子含量超标的原因，如来水水质发生波动、再生剂受到污染、预处理系统操作调整、床体运行切换等进行了论述。

You were hired to drum up new business, so go and do it.

公司雇你招徕新业务，你就做你的事好了。