Ground surveys allow archaeologists to pinpoint the places where digs will be successful.

通过地面调查，考古学家能够精确定位可成功开展挖掘工作的位置。

Most ground surveys involve a lot of walking, looking for surface clues such as small fragments of pottery.

大多数地面调查都需要走很多的路，寻找一些表面上的线索，比如陶器的小碎片。

The scientists conducted two aerial surveys followed by two ground surveys.

科学家们在两次地面勘测后又进行了两次空中勘测。

The satellite gravity and magnetic surveys will be carried out, so satellite data will be used for combined airborne and ground surveys data to study Earth's structure and tectonics.

开展卫星重磁测量，综合卫星、航空、地面重磁测量资料研究地球结构与构造；

He has ordered that the project be scaled back to 130 turbines, and is requiring that the developer conduct further Marine archaeological surveys to avoid disturbing any sensitive ground.

他将项目的风电机组数量减少到了130座，还要求在建设中遵循海洋地质学调查来避免惊扰敏感的土地。