Initial control for space Interception was studied by differentialcorrection method.
对于空间拦截控制，利用微分修正法进行初始控制。
2
First, trajectory design of the lunar probe was discussed based on differentialcorrection.
首先，讨论基于微分改正的月球探测器轨道设计方法。
3
The precision of liquid column manometer was described. The correct use method and error correction of U tube manometer and double tube differential pressure gauge were analysed.