1. 比，比率
2. 【数】比例
3. 系数
4. 比值
5. 【经】复本位制中金银的法定比价
6. 《推理》半年刊
7. 【律】判决理由

1. 用比例方式表达
2. 求出...的比值
3. 使...成比例
4. 将（相片）按比例放大或缩小

1. [C]比,比率 relation between two amounts determined by the number of times one contains the other

1. the relative magnitudes of two quantities (usually expressed as a quotient)

2. the relation between things (or parts of things) with respect to their comparative quantity, magnitude, or degree;

   "an inordinate proportion of the book is given over to quotations"
   "a dry martini has a large proportion of gin"
   

1.比;比率;比例
Aratio is a relationship between two things when it is expressed in numbers or amounts. For example, if there are ten boys and thirty girls in a room, the ratio of boys to girls is 1:3, or one to three.

e.g. In 1978 there were 884 students at a lecturer/studentratio of 1:15...
1978年有884名学生，师生比为1比15。
e.g. The bottom chart shows theratio of personal debt to personal income...
下面的图表显示了个人负债与个人收入之比。

1. ratio的近义词

1. 比：常以百分数表示,计算公式为:(式2) 3.比(ratio) 又称为相对比,比较两个指标时用以反映两个有关指标间数量上的比值,如A指标是B指标的若干倍,或A指标是B指标的百分之几,通常用倍数或分数表示.

2. 系数：类似于滑轮的系数,你可以指定一个齿轮系数(ratio),齿轮系数可以为负.另外值得注意的是,当一 个是旋转关节(有角度的)而另一个是移动关节(平移)时,齿轮系数是长度或长度分之一.