测绘英语unit20

1、Unit 20 Setting up system 500 for a static surveyUnit 20 Setting up system 500 for a static surveyUnit 20 Setting up system 500 for a static surveyUnit 20 Setting up system 500 for a static surveyNew words and Expressionskinematic kainimtik a. 运动学的,运动学上的antenna nten n. 触角, 触须；天线brand new： 全新的，崭新的obs

2、tructions bstrkn n. 障碍物,阻碍物;阻碍,阻挠camcorder n. 摄录像机，便携式摄像机tribrach n. 三角基座，三脚架via prep. 通过；经由lid n. 盖子shipping case： 装运箱，集装箱intuitive a. 直观的，直觉的Unit 20 Setting up system 500 for a static surveyNew words and Expressionsmodem n. 调制解调器display device： 显示设备plugged into： 把插头插入obstruction n. 障碍；妨碍物navigate

3、nvget v. 给(船舶、飞机等)引航;导航tripod n. 三脚架；三脚桌terminal n. 终端机；终点；末端；极限； adj. 末端的；终点的；晚期的cursor n. （计算尺的）游标，指针；计光标Unit 20 Setting up system 500 for a static surveyNotes to the Text1. It is assumed that the reader of this manual is familiar with the principles of GPS surveying, i.e. he knows the concept of

4、differential measurements the need for a reference receiver, etc.译文：译文：假设这本书同GPS原理的读者相同，也就是说，他知道参考接收机中关于差分测量的概念。Unit 20 Setting up system 500 for a static survey2.It is highly recommended to fully charge and decharge camcorder batteries for 4 to 5 times before starting using them for practical field

5、work.译文译文: :强烈建议在进行实际野外工作之前将便携机电池进行完全充电和放电45次。Notes to the TextUnit 20 Setting up system 500 for a static survey3.Successful GPS surveys require undisturbed satellite signal reception. This means that GPS sensors should be set up in locations which are free of obstructions.译文译文: :成功的GPS测量需要接收无扰动的卫星信号。意思是说GPS接收器应安置在无障碍的位置