This rule has priority over all following rules for the tests due date.
该规则优先于测试到期日期的所有下列规则。
Is there one priority or rule when choosing?
有一个优先级或规则在选择吗？
The queueing system imposes an important exception to this rule with a priority class.
这个排队系统在 prioirty类（class）上增加了重要的规则。
Each rule is described, one per chapter, in priority order.
每个规则都进行了介绍，按照优先级顺序，每章一个。
Each rule can be assigned a priority from Highest to Lowest.
每个规则可以被分配一个优先从最高到最低。
Each rule can be assigned a priority from Highest to Lowest.
每个规则可以被分配一个优先从最高到最低。
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