发射台会自动将信号发送到地方基站。
The transmitters will send a signal automatically to a local base station.
1971年，雷发明了第一个电子邮件系统，人们可以用同一台电脑发送电子邮件。
In 1971, Ray created the first email system, which allowed people to send messages electronically from the same computer.
邮件传输代理也叫邮件服务器，是用来把邮件从一台计算机发送到另一台计算机的软件。
The mail transfer agent is also known as the mail server and is simply software that sends E-mail from one computer to another.
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