习惯用语on the decrease1.在减少中, 在下降中decrease to1.减少到decrease in size by...1.(尺寸)减少...decrease in by...1.(尺寸)减少...特殊用法estimated net decrease1.估计净减额linear decrease1.直线下降logarithmic decrease1.对数递减potential decrease1.电位(下)降, 电位减低decrease of sensitivity1.敏感度减低