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- geodetic precession 测地岁差
- To move in or be subjected to precession. 产生进动向前运动或被驱向前
- To move inor be subjected to precession. 产生进动向前运动或被驱向前。
- This gyroscopic motion is called precession. 此陀螺运动叫做进动。
- This movement is called precession. 这一移动称为岁差。
- Ill-conditioned problems are widely existed in geodetic surveying. 在大地测量中,病态问题是广泛存在的。
- And calculated the anomalous precession of the orbit of Mercury. 计算出水星轨道进动的。
- He then accounts for the precession of the equinoxes. 然后他解释分点岁差。
- It goes backward, and is therefore called a precession. 它有前向后推,因此称做一个岁差。
- Geodetic theodolites generally have circles of about 140mm diameter. 大地经纬仪的度盘直径一般为140毫米。
- In the third chapter, precession cone semi-angle is discussed. 第三章主要讨论进动锥角的问题。
- Spacecraft tracking could look for a similar precession of Mars's orbit. 利用追踪太空船,也可以找寻火星轨道类似的进动。
- The precession direction is determined by the initial phase of precession AC. 进动方向由进动电流的初始相位决定。
- Then, a simple discussion on solitary precession cone semi-angle follows. 并对进动锥角是否有独立性做了一点讨论。
- Geodetic levelling should be done with staves in which the divisions are marked on a strip of invar. 大地水准测量必须使用分划刻在因瓦带上的水准标尺。
- The poles of the Earth precess at a right angle to the force that is applied. 地球的两极按照施加的力的大小以正确的角度不断地步进。
- This helps corroborate GPS satellite status and gives geodetic scientists a new way to gauge tectonic plate movement. 这有助于证实全球定位系统的卫星位置,为地学家测量地球大陆板块漂移,提供了一种新手段。
- The Earth's principal moments of inertia are the geodetic and astronomical fundamental Earth parameters. 摘要地球主惯性矩属于大地测量学和天文学的基本地球参数。
- The tilting of the gyro continues until the erection torque balances the torque producing the precession. 陀螺继续倾斜直至修正力矩与产生进动的力矩平衡。
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