The Ziyuan-1 02C satellite was launched, the Ziyuan-3 01 and 02 stereo mapping satellites have achieved double star networking and operating.
“资源一号”02C星成功发射、“资源三号”01、02立体测绘卫星实现双星组网和业务化运行。
Israeli EROS small mapping satellites plan is briefly introduced at first. Then, the paper presents the main technical parameters, features and working method of the first EROS satellite in detail.
首先介绍了以色列eros系列测绘小卫星计划，重点介绍了其第一颗EROS卫星的主要技术参数与特点，以及工作模式。
Much of the shuttle’s business—launching the Hubble telescope, putting up satellites, mapping the Earth—could have been done by unmanned craft, at a fraction of the $174 billion the programme cost.
宇宙飞船上大部分的日常工作——包括放置哈勃望远镜，发射卫星，绘制地图——只需从1740亿美元中的项目开销中拨出少许，即可由无人机完成。
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