观测卫星

observation satellite

surname Guan

to look at / to watch / to observe / to behold / to advise / concept / point of view / outlook

Taoist monastery / palace gate watchtower / platform

to observe / to survey / observation (scientific etc)

to survey / to measure / to conjecture

to guard / to protect / to defend / abbr. for 衛生|卫生, hygiene / health / abbr. for 衛生間|卫生间, toilet / surname Wei / vassal state during the Zhou Dynasty (1066-221 BC), located in present day Henan and Hebei Provinces

satellite / moon / CL:顆|颗[ke1]

star / heavenly body / satellite / small amount