Prewhitening filter

filter ['fɪltɚ]

n. 滤波器;滤光器;滤色镜;[化] 过滤器; vi. 过滤;透过;渗透; vt. 过滤;滤除;

I could probably tell what it requires to fix it up.

我大致能说出修复它需要些什么。

How many provinces do you have?

你们有多少个区？

when they would be capable of providing information about traffic jams and suggesting alternative routes, when they would be used in hospitals to help doctors to diagnose illnesses, when they would relieve office workers and accountants of dull, repetitiv

计算机可以使办公室人员和会计免除那些枯燥、重复的劳动。