reduce in在 ... 方面减少； 在 ... 方面降低reducev.减少；缩小；使落魄；简化；还原reduced lift of sleeve套筒减速升程reduced quadratic form约化二次形式reduce progeny numbers压缩后代reduced modulus stress换算模数应力reduced homology group约化同调群reduced-protein diet减蛋白膳食reduce countermeasures减灾对策reduced fat margarines低脂人造黄油reduced optical length折合光程reduced adjoint matrix简化伴随矩阵