observation of earth crust deformation

例句：

1. 1. The scientist conducted an observation of the new moon.
   科学家对新月进行了观察。
2. 2.The team leader made a thorough observation before making any decisions.
   团队领导在做出任何决定之前做了彻底的观察。
3. 3.The physicist made observations of the planets' movements during their orbits.
   物理学家在行星绕太阳运行时对其进行了观察。