The driver will use atelephone to dial instructions about his destination into the system.
司机将用电话把目的地的相关说明输入系统。
2
For example, you look up a number in the telephone book, and before you dial, you repeat the number over and over.
例如,你在一本电话号码簿中查到一个号码,在你还没拨号之前,你得再三复习这一号码。
3
Like many other developers with a history in telecom, I learned that when you build atelephone switch, regulations say it must provide dial tone in 40ms, a difficult requirement to achieve.