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，筆者認爲手繪設計草圖的學習是學生和廣大設計者提高設計能力的一個關鍵因素。
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.
在各種計算機繪圖工具和軟件中，直線的生成速度幾乎都是決定圖像生成快慢的基礎，所以研究直線生成算法對於提高計算機繪圖速度是至關重要的。
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;
自吸進丸拋丸器的空氣動力學特性是實現自吸進丸的關鍵因素，我們對其進行了一系列的試騐研究，包括拋丸器實際空氣動力學特性曲線的測試；