To the theory study, we have a principle of Necessity and Enough for Practical Use.

对于理论学习，我们以够用为原则。

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Part V of the principle of necessity, under a reasonable interpretation of multiple crimes, establish special circumstances, multiple crimes rule, as multiple crimes rule to add.

第五部分在必要性原则下对数罪并罚进行合理解释，确立特殊情况下的数罪并罚规则，并将之作为数罪并罚规则的补充。

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The first part introduces not only the necessity and possibility of image compression but also the basic principle and method of image compression.

第一部分，论述了图像压缩的必要性和可行性，并重点介绍了图像压缩的基本原理和方法。

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Naming Mr. Regmi is a "principle of necessity in an odd situation, " he said.

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The ATTP then goes on in Paragraphs 1-5 through 1-11 to explain the requirements of the law of armed conflict, the principle of military necessity, the principle of distinction, the principle of proportionality, and the principle of humanity.

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"There are fundamental issues of necessity, principle, cost and viability that remain unanswered, " he said.

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