先用一个图表来封装您的当前状态，然后用另一个图表来描述新设备将如何安装，再后是建议的迁移过程或进程。
Start with a diagram that encapsulates your current state, then another that describes how the new device will fit, followed by the proposed migration process or processes.
他们认为一个消息队列上的操作过程中进入睡眠状态(即队列已满，该进程正在等待开口)时使用。
They are used when an operation on a message queue deems the process go into a sleep state (i. e. queue is full and the process is waiting for an opening).
该协议将进程在运行过程中的状态分为三种，并使用捎带消息技术和非阻塞的方法，减少了用于协同的控制消息的数量。
This protocol classifies the state of process into three kind, uses piggybacking messages and non-blocking, and reduces the number of syncronizing messages.
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