简述风力发电机组要良好接地的几种目的.
During implementation of a two-node cluster，it is determined that error notification for the shared Disk subsystem would be beneficial. Which of the following is a pre-requisite for implementing automatic error notification？（） The cluster must not be running.。 The cluster.es.server.utils lpp must be installed.。 The error notification module must be enabled in RSCT.。 The permissions on /tmp/hacmp.out need to be changed to 774.。
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释义、口述、总结、作笔记、类比、举例、提问属于哪类学习策略（） 复述策略。 计划策略。 精细加工策略。 调控策略。
规划环境影响评价中的公众参与主体一般包括（）。 受影响公众。 相关领域的专家。 感兴趣团体。 新闻媒介。 政府相关部门。
A system administrator identified a problem with an AIX command and implemented a work-around. A call was made to IBM Support to report the problem. What severity level should the administrator choose？（）
