n.比率;比例
The ratios of 1 to 5 and 20 to 100 are the same. 1与5之比和20与100之比相同。
Men outnumber women here in the ratio of three to one. 此地男子数量以三比一超过女子。
The ratio of nursing staff to doctors is 2:1. 护士和医生的比例是2:1.
n.实施;管理;行政;行政部门;任期
n.集中;专心;浓度
n.考虑;体贴;考虑因素;敬重;意见
n.公司;法人
n.宣言;宣布;申报
n.持续时间;期间