About Ma Lihua
About National Astronomical Observatories,Chinese Academy of Sciences
About Hu Chao
About National Astronomical Observatories,Chinese Academy of Sciences
About Mao Xinhong
About China Academy of Space Technology
About Pang Feng
About National Astronomical Observatories,Chinese Academy of Sciences
About Pei Jun
About National Astronomical Observatories,Chinese Academy of Sciences
About Tianwen Yanjiu Yujishu
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About earth(the globe)
About earth station
About azimuth angle
About artificial satellite
About vector(mathematics)
About antenna(electric)
About geostationary orbit
About polarized wave
About telecommunication
About circularly polarized wave
About communication satellite
About satellite communication
About receiving antenna
About 受信所
About ピッチ角度
About Eostationary Earth Orbit satellite
About Satellite communication
About Communication ground station
About Linear polarization angle
About Antennas
About Space communication
About 衛星通信
About 地球局
About アンテナ
About 円
About 計算
About 研究