reduce in在 ... 方面减少； 在 ... 方面降低reducev.减少；缩小；使落魄；简化；还原reduces the cost union降低成本reduced tree structure简化树结构reduced ejection phase[医] 减弱射血期reduced-basis method减基法reduced clifford group约化克里福特群reduced residue system简化剩余类reduced buckling length折合纵向弯曲长度reduced parthenogenesis单倍孤雌生殖reduced Hessian methodsreduce a regulation tax减免调节税