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。
It could also retrieve data from sensors that are already connected to equipment in the field but which normally rely on helicopter or ground visits to get the information.
它还能调取与室外设备相连的传感器收集的数据，这些信息通常依赖直升机或地面人员采集。
The seismic influence field reflects the space distribution of seismic intensity or space-related seismic ground motion field.
地震影响场反映了地震动强度的空间分布或与空间相关的地震动场。
When the atom is prepared in ground state or excited state initially, there appear obvious squeezing effects for the coherent optical field.
原子处在单纯的基态或激发态时光场都有明显的压缩现象出现；
When the atom is prepared in ground state or excited state initially, there appear obvious squeezing effects for the coherent optical field.
原子处在单纯的基态或激发态时光场都有明显的压缩现象出现；
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