观测卫星
Traditional form:
觀測衛星
Pinyin (reading):
guāncèwèixīng
Definitions:
- observation satellite
Characters:
- 观 - to observe, to spectate; appearance, view
- 测 - to survey, to measure; to estimate, to conjecture
- 卫 - to guard, to protect, to defend
- 星 - star, planet; a point of light
Traditional characters: