对于某些特定的常用数据项，如日历与通讯簿等，在标准方面已经达成一致的协议，但是还缺乏方便的方式来传送这些数据。
There's already solid agreement on standards for certain common data items like calendars and contact lists, but an unfortunate lack of convenient ways to transmit such data.
RS232接口在计算机通讯中应用非常广泛，成为一种标准的串口通讯方式。
RS232 interface which is a standard serial interface mode has been widely used in computer communication.
RS232接口在计算机通讯中应用非常广泛，成为一种标准的串口通讯方式。
RS232 interface which is a standard serial interface mode has been widely used in computer communication.
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