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1·There is a series terminated line.

有一系列终止线。

2·They can be resident (which gives control over the startup and shutdown of the instance) or dynamic (in which they are brought on-line on demand and then terminated when idle).

它们可以是常驻(用于控制实例的启动和停止)或者动态的(需要时它们在线，空闲时被终止)。

3·That portion of a message terminated by an EOB or ETB line-control characters, if it is the last block in the message, by an EOT or ETX line-control character.

如果它是报文中最后一个 块，则用一个 传输 结束（EOT）或文本 结束（ETX）线路控制字 符来终止。