公差

Noun

 * 1)  common difference (of an arithmetic series)
 * 2)  tolerance; allowed error
 * 1)  tolerance; allowed error

Noun

 * 1) official errand; business trip
 * 2) person on an official errand or business trip
 * 3)  bailiff in a yamen

Verb

 * 1)  to go on an official errand or business trip

Etymology 3
From.

Noun

 * 1)  kite

Noun

 * 1)  common difference
 * 2)  tolerance; allowance