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| 弹性波勘探用炸药爆炸和其他人工方法在地层中产生弹性波，使它经过地下岩层的不连续面的反射和折射，传到地表。然后采用专用设备进行检测以便分析地层的构造和产状，从而探明该地层有否矿藏或油层的一种方法 | |||
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elastic wave exploration : 1 phrase in 1 subject |
| Geophysics | 1 |
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