This paper first introduces the concept of all-weather pedestrian system and three all-weather facility types, elevated, ground and underground system.

首先介绍了全天候步行系统的概念以及高架、地面、地下三种形式。

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You must be prepared to interact in groups of variable size, present to an audience, and have facility with written communication of all types.

您必须准备好与各种规模的小组进行交互、进行演示，并且进行各种类型的书面交流。

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For example, if you only needed to audit database connection and system administration event types, you would only specify the VALIDATE and SYSADMIN event types when configuring the facility.

例如，如果只需要审计数据库连接和系统管理事件类型，那么在配置审计功能时应该仅指定VALIDATE和SYSADMIN事件类型。

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Still unknown: what types of chemicals and in what quantities were stored at the facility.

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