Heat treating that becomes filled with "rules of thumb" and methods or beliefs without rigor, documentation or an understanding of the scientific principles on which they are founded.

热处理变成充斥着“经验法则”和不严谨的方法或信念，这些文件或理解应建立在科学基础上。

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Such learning produced knowledge that was dependent on example, and developed better understanding to the principles in the text.

这种学习就产生了依赖于样例的知识，形成了对课文中的原理的更好的理解。

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Strength - Offer solutions based on a sound understanding of both scientific principles and solid practical experience.

实力- - -基于对科学原理的理解和扎实的实践经验提出解决方案。

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The Organization will not be associated with any declaration or position that goes against its fundamental principles and the objectives of promoting tolerance and mutual understanding on the basis of human rights and human dignity.

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For example, there was very little understanding of how a human walks on two legs, and to utilize those principles to create a mechanical model.

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