undulated topography

• 复杂地形

undulated topography的用法和样例：

例句

1. The present paper deals with the errors existent in routine datum plane statics under the condition of complex topography as well as the cause for the errors.
   本文从理论上论述了复杂地形条件下常规基准面静校正和存在的误差以及存在误差的主要原因。