减少的...,减少了...,使...处于、使...变弱为,减少在.---就是这些区别了!reduce of 减少的... reduce at 减少在..这两个再具体解释一下The reduce of plating defect will greatly reduce the stress-corrosion fracture of the outlet.减少（的）镀层缺陷可大大减少外引线的应力腐蚀断裂。Human factor makes it reduce at the speed of 1.58% per year.人类活动使径流量以每年1.58％的速度减少（了）