An arbitrary key is one column and is almost always smaller than an operationally derived key.

任意键是一列，通常比操作派生的键要小。

youdao

A hacker can easily associate an operationally significant IP address to a false MAC address.

一个黑客可以只做简单的操作就将一个重要的IP地址和一个错误的MAC地址绑定。

youdao

Dynamic service selection is the ability to invoke services based on operationally defined criteria.

动态服务选择是基于操作上定义的标准来调用服务的能力。

youdao

Secretary Gates says all possible alternatives were explored during the long negotiations and all are either "politically untenable or operationally unworkable."

VOA: standard.2009.10.20

Remember that most applications are operationally simple, meaning they depend on the performance of the components.

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Here, the board had some interesting things to say about how precaution should work operationally.

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Matt, I don't want to get into operationally what might or might not come next.

WHITEHOUSE: Press Briefing