常量

cháng liàng hé biàn liàng

常量和变量

constants and variables

ruò gān yán jiū yǐ fā xiàn le liǎng gè zhòng yào cháng liàng

若干研究已发现了两个重要常量。

Two significant constants have been found in a number of research studies.

zhè shì zhè zhǒng yào de cháng liàng

这是这种药的常量。

This is the normal dosage of this medicine.