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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. 本文闡述了我國GPS衛星大地測量的現狀和展望。 然后分別討論GPS衛星控制網(wǎng)的布網(wǎng)原則和選點(diǎn)要求,GPS衛星測量的外業(yè)工作和數據處理。
- artificial satellite geodetic surveying 人造衛星大地測量
- He hit the tennis ball over the net. 他把網(wǎng)球打過(guò)了網(wǎng)。
- The ball glanced off the goal post into the net. 球撞到球門(mén)柱上斜飛入網(wǎng)。
- The space shuttle will orbit a weather satellite. 太空梭將把一個(gè)氣象衛星送入運行軌道。
- The net weight of this jar of coffee is 180 grams. 這瓶咖啡凈重180克。
- The news was beamed to East Africa by satellite. 這條新聞?dòng)尚l星向東非傳送。
- The Olympics were telecast live via satellite. 奧運比賽經(jīng)由人造衛星做實(shí)況轉播。
- The launch vehicle lifts the satellite into orbit. 太空火箭將人造衛星送入運行軌道。
- If I lose my job, I've got no safety net. 我丟掉這份工作就無(wú)計可施了。
- The fish tangled in the mesh of the net has died. 那條卡在網(wǎng)眼上的魚(yú)已經(jīng)死了。
- Now space satellite is used to speed long distance call. 現在宇宙衛星被用來(lái)快速傳送長(cháng)途電話(huà)。
- Practise throwing the ball into the net. 練習投籃。
- She just tipped the ball over the net. 她剛好把球擊過(guò)網(wǎng)。
- My fishing-line got fouled (up) in an old net. 我的釣絲跟舊魚(yú)網(wǎng)纏在一起了。
- The equipment picked up the signal from the satellite. 這設備收到了衛星發(fā)出的信號。
- The fishermen were hauling in the net. 漁夫們正在把網(wǎng)拉進(jìn)瓏。
- A satellite's circle around the earth. 衛星繞地球的環(huán)形軌道
- His lawless hair was caught in a net. 他的一頭亂發(fā)被網(wǎng)鉤住了。
- They have launched a man-made satellite successfully. 他們成功地發(fā)射了一顆人造衛星。
