Radon is a gas that comes from the radioactive decay of radium in rocks.
氡是来自岩石中镭辐射衰变而产生的一种气体.
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Is There a Neo-Tethys'Subduction Record Earlier than arc volcanic rocks in the Sangri Group?
存在比桑日群弧火山岩更早的新特提斯洋俯冲记录 么 ?
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Two features of folds in stratified rocks that contain strut members invite special attention.
包含在承压岩层内的成层岩石中的褶皱,有两个特点引人特别注意.
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Deep volcanic rocks then become target stratum for hydrocarbon exploration in the Songliao Basin.
在钻井少的情况下寻找火山岩储气层,利用地震信息预测火山岩分布就成了唯一有效的途径.
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The volcano spewed out more scorching volcanic ashes, gases and rocks...
火山喷出更多灼热的火山灰、气体和岩块。
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这里巨石兀立,深谷苍凉, 容易使人产生敬畏感.
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Depth and width of sound stage . Fast controlled bass that still rocks . Great value used.
深远、宽阔的声场,低频快速、充满控制力,并且非常震撼,二手价超值!
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