通信;
to communicate by letter, usually over a period of time.
交流通过信件交流、通常在一段时期内
I communicate with him regularly by letter.
我与他定期通信.
We communicate with each other by letter.
我们用书信彼此联络.
system is enough for real time , safety handling multi-user go along to communicate by letter immediately owing to the local area network.
系统基于局域网,够处理多用户进行实时、安全的即时通信。
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