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mine seismic prospecting
释义
mine seismic prospecting
Encyclopedia
理学
矿井地震勘探
释
mine seismic prospecting
矿井地震勘探
使用人工激发的弹性波在矿井井下的传播,根据所得到的不同界面反射、折射和透射波的解析,推断矿井井下构造和异常体分布范围的地球物理勘探方法。
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upper semicontinuous equivalence
upper semicontinuous function
upper semi continuous mapping
upper semi-continuous mapping
upper semicontinuous mapping
upper semicontinuous partition
upper semi-lattice
upper semi-modular lattice
upper semisphere
upper series
upper set
upper side frequency
Upper Silesia Coalfield
upper singular exponent
upper solution
upper solution; supersolution
upper-stage
upper stage liquid rocket engine
upper strong derivative
upper subsemilattice
upper sum
upper surface
upper tangent arc
upper topological limit
upper transit
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