It is an essential definition because it attempts to get at the essential features of the concept - its necessary and sufficient conditions of application.

它是一个本质定义，因为它试图抓住这个概念的本质特点——即使用这个概念的必要条件和充分条件。

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Coordinating the team's work so that there is only one definition of the current project state, and containing the integrated work of the team are also essential to managing version control.

协调团队的工作，以便只存在唯一的当前项目状态定义，以及包含团队已集成的工作，这些对于管理版本控制也是十分必要的。

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NIST's definition framework for cloud computing with its list of essential characteristics has by now evolved into the DE facto standard for defining cloud computing.

NIST的云计算定义框架，包括其关键特性列表，现在已经演化成为事实上的定义云计算的标准。

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In fact, that is essential to banking and it's kind of part of the -you might almost call it the definition of a bank.

事实上,这对银行业务是至关重要的,并且这是部分的...,几乎可以说这就是银行的定义

耶鲁公开课 - 金融市场课程节选

Digitally restored from high resolution film elements in perfect high-definition picture and perfect high-definition sound for the first time ever, Universal Classic Monsters: The Essential Collection brings together the very best of Universal's legendary monsters-imaginative and technically groundbreaking tales of terror that launched a uniquely American movie genre.

ENGADGET: Dracula, The Mummy and six other horror classics coming in a Blu-ray set October 2nd (video)