科学探测与技术试验卫星 meaning in English

scientific exploration and technological experimentation satellite

To establish a series of science and technology satellites to enhance researches on microgravity , material science , life science , space environment and astronomy
建立新型的科学探测与技术试验卫星系列，加强微重力材料科学生命科学空间环境和天文研究。
In the early 1970s , china began to utilize the scientific exploration and technological testing satellites of the " sj " group in a series of space explorations and studies , and acquired a large amount of valuable data about the space environment
在七十年代初期开始利用“实践”系列科学探测与技术试验卫星开展了一系列空间探测和研究，获得了很多宝贵的环境探测资料。