"A ball over three circles", a device for demonstrating persistence of vision andcolour blending, is introduced in this paper,and is presented the making and operation of the de-vice.
本文介绍一种演示视觉暂留现象和颜色合成的实验装置——三环顶球,简述该装置的制作过程和操作方法。
Change characteristics of the top-three leaves structure in wheat development process;
小麦植株发育过程中顶三叶结构的变化特征
One lit- tle, two lit- tle, three lit- tle nice hats.
一顶小的，两顶小的，三顶漂亮的小帽子。
Four lit- tle, three lit- tle, two lit- tle nice hats.
四顶小的，三顶小的，两顶漂亮的小帽子。
Ascending Triangle
上升三角形、平顶三角形
Makes the 3-D effect extend toward a single point
使三维效果向一个单独顶顶点延伸
Two heads are Better than one;Three cobblers with their wits combined equal Zhuge Liang the master mind l The wisdom of the ordinary people exceeds that of the wisest individual.
三个臭皮匠,顶个诸葛亮
They're in Aisle 3 on the top shelf.
在第三道货架顶层上。
"To your hermitage here on the top of the mountain I have climbed, without stopping, these ten miles."
绝顶一茅茨, 直上三十里;
lightening file
顶角为108°的三角锉
To him that does everything in its proper time, one day is worth three .
办事有条理，一日顶三日。
Two heads are better than one.
三个臭皮匠, 顶个诸葛亮。
They braced themselves behind the gun.
三个人在炮后死死顶
A point on a polyhedron common to three or more sides.
顶点共有三个或者三个以上边的多面体的顶点
All the interior vertices are connected to exactly three vertices each.
所有三角形内的顶点恰好与三个顶点相联结。
three rooms on the ground floor, three chambers on the first, and an attic above.
楼下三间，楼上三间，顶上一间气楼。
The Three-dimensional Visualization Simulation of Top-coal Movement Regulation on the Base of OpenGL;
基于OpenGL放顶煤顶煤运动规律的三维可视化仿真
It was past three o'clock and the sun was at its hottest.
这是三点多钟，太阳的威力正在顶点。
Three points must be specified for a corner curve segment.
必须为折角形曲线段指定三个顶点。
These three converters are all pure oxygen top - blow.
这三座转炉都是纯氧顶吹的。