Sometimes, the ground at an oil field may subside as oil is removed.
有时，油田的地面可能会随着石油的开采而下沉。
The ground staff do all they can to prepare the field.
场地保养人员全力准备赛场。
When an oil pool or field has been discovered, wells are drilled into the ground.
当发现一个油藏或油田时，就在地下打井。
I feel we can assume that the good ground is most of the field.
我觉得我们可以假定大部分的田地是好土。
The factors above always give effect to the permafrost by changing the ground temperature field.
这些因素都是通过影响地温场的变化而对多年冻土施加作用效果。
Early experience in this field prepared the ground for his success.
早年在这个领域的经历为他的成功奠定了基础。
The present ground stress has important effect in the exploitation of oil field.
现今地应力对油田开发有重要影响。
As soft field landing the basic thing is never make the nose wheel touch the ground first.
对于软地降落，基本的要求就是永远不要让前轮先着地。
Polar or linear plot for far-field or ground wave radiation pattern.
极地或辐射型线性情节的远场或地面波。
Polar or linear plot for far-field or ground wave radiation pattern.
极地或辐射型线性情节的远场或地面波。
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