reduceto把化合物分解为,碾碎reducev.减少；缩小；使落魄；简化；还原reduced work capacity折合功容reduced strength zone折算强度区reduced extent method对比进度法Reduce olefin content降烯烃reduced concentration对比浓度reduce in solid state固相还原reduce perceived risk减少感知风险reduce by a factor ofvt.减少五分之四(减少到五分之一)Reduced-scale model缩尺比模型reduced column length换算柱长