天平动 meaning in Chinese
librations
Examples
- Owing to the phenomenon of libration it is possible to observe up to 60% of the total lunar surface .
由于天平动的现象，我们可能观测到月球总面积的60。 - Owing to the phenomenon of libration it is possible to observe up to 60 % of the total lunar surface
由于天平动的现象，我们可能观测到月球总面积的60 。