单词frustum
n.: 【数】平截头体；【建】柱身
网络: 截头锥体；锥台；截锥
【数学】平截头体
【建筑】柱身
复数：frustums
above the bosh the stack extends from the widest part to the top. Its shape is like a frustum of a cone.
炉身位于炉腹之上，从高炉直径最大处一直到炉顶，其形状就象一个截头圆锥。
All vertices are clipped by the front plane of the viewing frustum.
所有顶点都被视图截锥的前平面所剪辑。
To make use of these coordinates, we must first re-define them in terms of the visible area of the viewing frustum.
了利用好这些坐标，我们首先需根据视图锥截体的可视区重新定义它们。
faces can be culled using a number of techniques including : back face , view frustum , and occlusion culling.
剔除平面的技术有很多，其中包括：背面剔除、视锥平截体剔除和封闭剔除。
and a frustum-shaped throttle head (12) is arranged at the upper end of the throttle lever (11).
所述节流杆（11）上端具锥台形节流头（12）。
This function returns six planes of a frustum defined by given view & projection matrix.
这个函数返回由给定的视窗和投影矩阵定义的视景的六个面。
The upper end of the adjusting screw (7) is provided with a frustum-shaped valve needle (6).
所述调节螺杆（7）的上端具锥台形阀针（6）。
if the vertex is outside of the viewing frustum , it is stored in the destination vertex buffer in projection space coordinates.
如果顶点在视锥平截体外部，则会以投影空间坐标的形式将其存储在目标顶点缓冲区中。
A dissertation is made on the process and main points of the die design for extruding the hollow parts of the frustum type.
本文论述了锥台形空心件挤压成形工艺和模具设计要点，给出了实用的模具结构。
To do this we clip the patches" bounding boxes against all six sides of the viewing frustum .
我们用视见体的六个面去剪裁缀片的包围盒。