Orbits of this type can be positioned near collinear libration points, and for simplicity it is adequate to take linear terms into consideration in the control process.

这种类型的轨道可以离共线平动点较近，那么只需要在控制过程中考虑线性项即可，控制条件简单。

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Suspension Cast-in Situ Beam construction is to control the construction process and bridge state of internal force and linear, so that the bridge State could fully meet the design requirements.

公路悬浇梁施工监控就是控制施工过程中和成桥状态时结构的内力和线形，以使悬浇梁的成桥状态充分满足设计要求。

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This measure system is suitable to measure linear and Angle displacement during manufacturing process of NC machine tool, and it can constitute closed loop control system with CNC system.

该测量系统适用于测量数控机床加工过程中的直线位移和角位移，可以和CNC系统组成闭环控制系统。

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