All vertices are clipped by the back plane of the viewing frustum 所有顶点都被视图截锥的后平面所剪辑。
2.
Physical equipment as opposed to programs , procedures , rules , and associated documentation ; chip level solutions that hook onto back plane of computer to protect it 与程序、过程、规则和相关文件相对的物理设备；固定于计算机背板上的芯片保护装置。
3.
Xm ) trundle needle , trundleing the post thrust bearing trundles the needle through the roll part of the body , cylinder roller and thrust maintain shelf and the thrust bed down the livestock to make up , trundleing needle and the cylinder roller is subjected to the shelf maintaining that the thrust maintains and guides . moreover thrust bed down the livestock against the difference , shaft , the pedestal encircles and employs in company , fix module shaft shoulder end face and the shell opening back plane dimensional tolerance , geometry accuracy , rigidity , axial is moved up and down , coarse degree ought to accord with the internation ， national standard stipulation demand 滚针，滚柱推力轴承由滚动体滚针，圆柱滚子及推力保持架和推力垫圈组成，滚针和圆柱滚子受到推力保持的保持架引导，并与不同的推力垫圈，轴，座圈一起使用，安装组件的轴肩端面和外壳孔底面的尺寸公差，几何精度，刚性，轴向跳动，粗糙度应符合国际，国家标准规定的要求。
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