key drawing

基本解释

Besides, a research and summary of the techniques applied in drafting by hand-drawing is a key factor for the students to improve their ability to design in art.
因此，笔者认为手绘设计草图的学习是学生和广大设计者提高设计能力的一个关键因素。
In most computer drawing software and graphics software, the line-drawing speed is the key to improve the speed of the graphics, so, improving the line-drawing speed is very important.
在各种计算机绘图工具和软件中，直线的生成速度几乎都是决定图像生成快慢的基础，所以研究直线生成算法对于提高计算机绘图速度是至关重要的。
Aero- dynamic Characteristic is the key factor in the realization of self- drawing shot blasting. A series of its experiment and research were made—they test of the actual curves of the aero- dynamic;
自吸进丸抛丸器的空气动力学特性是实现自吸进丸的关键因素，我们对其进行了一系列的试验研究，包括抛丸器实际空气动力学特性曲线的测试；