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- The paper introduces first the status and prospects of GPS satellite geodetic works in China, then, discusses the principles of the control network setting and the selection of surveying points, and finally, the fieldwork and data processing. 本文阐述了我国GPS卫星大地测量的现状和展望。 然后分别讨论GPS卫星控制网的布网原则和选点要求,GPS卫星测量的外业工作和数据处理。
- artificial satellite geodetic surveying 人造卫星大地测量
- He hit the tennis ball over the net. 他把网球打过了网。
- The ball glanced off the goal post into the net. 球撞到球门柱上斜飞入网。
- The space shuttle will orbit a weather satellite. 太空梭将把一个气象卫星送入运行轨道。
- The net weight of this jar of coffee is 180 grams. 这瓶咖啡净重180克。
- The news was beamed to East Africa by satellite. 这条新闻由卫星向东非传送。
- The Olympics were telecast live via satellite. 奥运比赛经由人造卫星做实况转播。
- The launch vehicle lifts the satellite into orbit. 太空火箭将人造卫星送入运行轨道。
- If I lose my job, I've got no safety net. 我丢掉这份工作就无计可施了。
- The fish tangled in the mesh of the net has died. 那条卡在网眼上的鱼已经死了。
- Now space satellite is used to speed long distance call. 现在宇宙卫星被用来快速传送长途电话。
- Practise throwing the ball into the net. 练习投篮。
- She just tipped the ball over the net. 她刚好把球击过网。
- My fishing-line got fouled (up) in an old net. 我的钓丝跟旧鱼网缠在一起了。
- The equipment picked up the signal from the satellite. 这设备收到了卫星发出的信号。
- The fishermen were hauling in the net. 渔夫们正在把网拉进珑。
- A satellite's circle around the earth. 卫星绕地球的环形轨道
- His lawless hair was caught in a net. 他的一头乱发被网钩住了。
- They have launched a man-made satellite successfully. 他们成功地发射了一颗人造卫星。
