The moon's mean diameter is generally calculated to be 2, 159 miles.
月球的平均直径大约为2,159英里。
2
This function can make numerical control system according to the point in the X coordinates, as the diameter of the workpiece calculated value spindle speed, and the cutting speed to be constant.
该功能可以使数控系统根据刀尖所处的X坐标值，作为工件的直径值来计算主轴转速，使切削速度保持恒定。
3
The technical index of the rolling air bag, such as the diameter, internal working pressure and loading capacity are calculated and analysed.