Some philosophers of science tried to differentiate science from pseudoscience in terms of one criterion, but they all failed because of the simplification of their methods.
许多科学哲学家都曾试图用一种特征作为标准区分科学与伪科学，他们过于简单化的做法都归于失败。
The evaluation criterion which not only affects the objective accuracy of grading result, but affects the science and technology level's raising in walnut field.
评价标准是否恰当，不仅影响到分级结果的客观准确性，也关系到果树科学技术水平的提高。
This paper bases on a part of the project of National Natural Science Foundation "Failure criterion of concrete under multiaxial variable-amplitude fatigue loading" (50078010) for study contents.
本文是基于国家自然科学基金项目《混凝土多轴变幅疲劳破坏准则》(50078010)中的一部分作为研究内容。
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