base plane的用法和样例：
例句
- It shows that, apart from the usual elements for the tree root and feature type, a datum plane contains the positioning constraints and an optional fit type.
它展示了，除了通常的树根和特征类型等元素，一个基准平面包含位置约束和一个可选配合类型。 - 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。
