decrease of incoming sediment 基本例句 来沙减少 The author also demonstrates that the accuracy of measured data of coarse particles near the bed layer will not change the totaldecrease of incoming sedimentto TGR.最后，论述了来沙减少对三峡水库淤积的影响，特别是变动回水区在相当长的一段时间，淤积还会大为缓解。