Correct

正比例

/ zhèngbǐlì / 
Strokes

Definition

direct proportionality

Example

As a Noun

direct proportion

1
X
X
yú
与
Y
Y
chéng
成
zhèng
正
bǐlì
比例
  
。

X is directly proportional to Y. / X varies directly as Y.

2
Zhèng
正
bǐlì
比例
hánshù
函数

directly proportional function