optimum angle of projection 最佳出手角度
angle of false projection 假投射角
angle of X-ray projection 射线辐射圆锥角
angle of x-ray projection x 射线圆锥角
area of solid angle projection 立体角投射面积
Long jumping performance depends mostly on the initial speed and Angle of projection of body gravity.
跳远成绩主要取决于起跳离地瞬间人体重心腾起的初速度和腾起角度。
There is obvious difference in absolute speed and angle of projection between male long jumpers in our country and abroad.
我国男子跳远运动员在绝对速度和腾起角度上与国外优秀选手存在明显差距。
With respect to the third angle projection, this paper sets forth briefly its rationale, characteristics, and chart reading, in the form of comparison.
本文用对比形式扼要地阐述了第三角投影法的基本原理、特点和看图方法。
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