中国航天（英文版）2019，Vol.20Issue(4)：63-64,2.
LM-4B Launches GF-7 and 3 Other Satellites into Orbit
LM-4B Launches GF-7 and 3 Other Satellites into Orbit
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LI Qingqin..LM-4B Launches GF-7 and 3 Other Satellites into Orbit[J].中国航天（英文版）,2019,20(4):63-64,2.
