报文
2.In the context of message handling, an information object, part of a message, that the MTS neither examines nor modifies, except for conversion, during its conveyance of the message.
7.An indicator which shows that a message transfers through the digital switching system to indicate the start of message and activate the automatical message switching system into operations.
8.The process of combining incoming messages into a single message.
10.In chapter 4, it analyzes the composition and processing method of the datagram, uses the datagram protocol to define the composition and processing method of the datagram and also designs a grammar to parse the protocol.
