双子座季铵盐
Gemini quaternary ammonium salt
阳离子双子表面活性剂
electropositive ion gemini surface active agent
Gemini cationic surfactant
Cationic Gemini surfactants
cationic gemini surfactant
阴离子双子表面活性剂
anionic Gemini surfactants
GPS卫星星座
GPS satellite constellation
LEO卫星星座
LEO satellite constellation networks
LEO卫星星座网络
LEO satellite constellation network
成像侦察卫星星座
imaging reconnaissance satellite constellation
非固定连接卫星星座
unformed detachment satellite networks
共地面轨迹卫星星座
Common-track satellite constellation
合成孔径雷达卫星星座
SAR satellite constellation