One of the primary uses of sequence diagrams is in the transition from requirements expressed as use cases to the next and more formal level of refinement.

序列图的主要用途之一，是把用例表达的需求，转化为进一步、更加正式层次的精细表达。

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Considering the primary USES of components within application structures leads to more appropriate placement of data validity checking — for example, only at managed trust boundaries.

通过考虑组件在应用程序结构内的主要使用情况，可以更为恰当地确定数据有效性检查的位置——例如，仅在受管理的信任边界进行检查。

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Each attack or block also builds the power meter, which has three primary uses.

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As the two primary uses of DNA right now are research and law enforcement, those DNA sets are handled differently.

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Checking email (90%) along with internet browsing and social networking (75%) ranked as the primary uses of traveling with these devices.

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