螺柱提起高度、送下深度、提起和送下速度等焊接参数的设定由程序控制，减少了人工调整的随机误差；
The setting of welding parameters, involving stud lifting height, stud sending depth, lifting and sending speed and so on, can be accomplished by program control, thus the artificial error is reduced.
控制支撑高度误差和玻璃的平整度，保证受力的均匀，可增加真空玻璃的强度，增加其可靠性，提高其使用寿命。
The brace height uniformity and the glass flatness should be controlled so as to guarantee force equality, which could improve strength, dependability and service life of the vacuum glass.
弹道式飞行器再入时，常常要求在规定高度上发出开伞信号，过载延时控制方法误差太大，不能满足精度要求。
The opening parachute signal is required to sent on the fixed height when the vehicle reentry. The height controlled error through axis apparent acceleration can not meet the required precision.
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