Verify if the host is in maintenance mode: db2cluster.
验证主机是否位处于维护模式：db2cluster。
After analysis, summarized Capital Institute of Physical host international sporting events unique mode of operation.
经过分析，总结出首都体育学院承办国际体育赛事的独特运作模式。
The communication between host and slave is realized through polling mode.
主控机通过轮询方式与各从机通信。
The communication between host and slave is realized through polling mode.
主控机通过轮询方式与各从机通信。
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