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河床
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河床
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河床
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river channel bed; river bed
河床
河流中有水流动的部分,通常位于河谷的底部。水流可以是经常性,也可是暂时性的。又称河槽。
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matrix realization
matrix reference material
matrix representation
matrix representation of ket and bra
matrix representation of operator
matrix ring
matrix root
matrix sampling
matrix sampling design
matrix semigroup
matrix series
matrix signature
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matrix spectrum
matrix splitting
matrix splitting preconditioner
matrix splitting preconditioning
matrix splitting preconditioning (preconditioner)
matrix square root
matrix structural analysis
matrix summation method
matrix-supported fabric
matrix sustained/controlled release preparations
matrix symbol of an operator
matrix theorem
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