尽管飞行员必须继续遵守有关视觉飞行规则的所有规定，但无需获得空中交通管制的明确进入许可。

No explicit permission from ATC to enter is needed, although the pilot must continue to obey all regulations governing VFR flight.

youdao

您可以对每个授权控制的大楼使用单个acl实现此规则，并授予ACL中的用户和组“进入”权限。

You can implement this rule with a single ACL on each authorization-controlled building, granting users and groups in the ACL the ENTER permission.

youdao

这不仅与哪些规则进入系统有关。

It's not just about what rules go into the system.

youdao

We also need to follow Hund's rule, this is that a single electron enters each state before it enters a second state.

我们也需要遵从洪德规则，这是一个电子在进入第二个态之前,要进入每一个态。

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