记忆方法
将“frustum”分解为“frus-”（类似于“frustrate”的“frus”，意味着压扁或压缩）和“-tum”（类似于“tumor”的“-tum”，暗示形状）。想象一个物体被压缩后形成了一个顶部和底部被截掉的部分，即一个截头锥体（截锥），这就是“frustum”的直观形象记忆法。
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词族 · frustum
词形变化
英语词源
- frustum (n.)
- "remaining piece after a part has been cut off," 1650s, in mathematics, from Latin frustum "piece broken off," from PIE *bhrus-to-, from root *bhreu- "to cut, break up" (see bruise (v.)).
权威例句
- 1. All remaining patches are culled against the viewing frustum.
- 剩下的缀片通过视见体进行剔除.
- 2. This will help the 3 D engine's performance by doing per - object frustum culling.
- 此举有助于3D引擎对对象的层次视锥剔除运算.
- 3. The forming principle of frustum cone - like cup ( container ) is studied.
- 研究了圆台形纸杯 ( 容器 ) 的成型原理.
- 4. Given the current frustum, compute the visible geometry.
- 给定当前视景体, 计算可见几何体.
- 5. To understand this, we must first take a brief look at the characteristics of the frustum.
- 要理解这点, 我们首先必须简要了解一下试图锥截体的特征.