Comprehensive Chinese-English Dictionary

成数 [chéngshù]

1. 1. noun Numbers that are in tens or in multiple of tens, e.g. 30, 500, 4000.

   去掉零头只保留成数就行了。

   Keep the round number, and take out the remainder.

2. 2. noun A number expressed in tenths, e.g. 三成: 3/10, 三成半: 3.5/10, usually used to express an increase or decrease in production or harvest.

   表示一个数是另一个数十分之几的数，叫做成数。

   Round numbers are a number that can be divided by ten.