[数]半角
网络 半角
By numerical simulation of a six-tooth rectangle spline, the optimized half-angle of the concave die can be got.
结合六齿矩形花键轴实际成形情况进行模拟计算,获得了入模半锥角的较佳取值范围。
This paper describes a new method and device for measuring helical line, pitch diameter, taper and half-angle of thread of petroleum thread gauges.
本文介绍一种测量石油螺纹量规的螺旋线、中径、锥度和牙形半角的新方法及装置。
If I pick an angle of 60 degrees, these are some numbers like half and root 3 over 2.
要是我选择一个60度的角,这些数就会是二分之一和二分之根号三。
For a month and a half, there´s absolutely no Sun in Greenland because of Earth´s Angle in relation to our home star.
由于地轴与我们的恒星(太阳)之间的角度问题,格陵兰每年有一个半月都完全沐浴不到阳光。
In one of her favourite ACTS she bends herself backwards at a perfect 90 degree Angle - virtually cutting herself in half so the back of her hands touch her heels.
她最喜欢的表演之一,把她身后折成完美的90度角—实际上把她削掉一半,这样她的手背能碰到后脚跟。