The processing of shallow seismic data in plain area shows its very good effect.
对平原地区浅层地震资料的处理表明，效果十分明显。
In plain area, crop farming is the main form of the whole agricultural production.
在平原地区，种植业是整个农业生产的主要内容。
The middle south plain area is the main area of coal exploitation in Shandong Province.
鲁中南地区是山东省煤炭资源开发的重点地区。
Farm plain area can be considered as an ground reservoir which has better hydrology conditions.
八五〇农场平原可视为具有较好的水文地质条件的地下水库。
The area changed from a dry plain into highly productive farmland.
这个地区从干旱平原地区变成生产力高的农田。
Underground hollow area shall be filled with plain concrete to prevent from water and moisture.
地面以下砌体空心部分均采用素混凝土填实，利于防水防潮。
Plain accounts for two-part of area always.
平原占总面积的三分之二。
Plain accounts for two-part of area always.
平原占总面积的三分之二。
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