价值链理论描述了物质世界的价值创造程序。

Value chain theory describes the program of creating value in matter world.

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既有定性的理论描述，又有定量的计算公式，还有具体的应用实例。

It not only has theoretical description, but also has quantitative calculating formulas and concrete application examples.

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上述三大优势，新的技术思路，用语言理论描述说服旁人，是非常困难的。

The three major advantages, New technical ideas, Theoretical description of language to persuade others, very difficult.

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So, people in the chemistry community and in the physics community had this general feeling that the theoretical structure of the entire universe was pretty well understood.

在化学界和物理学界,人们都觉得描述,整个宇宙的理论框架,已经被很好的理解了。

麻省理工公开课 - 化学原理课程节选

And if that's right,shouldn't we say-- Remember,the best form of the body view, I argued previously,was the brain version.

如果那是正确的，我们是不是该说…,别忘了，肉体理论的最佳描述，如我之前主张的，就是大脑理论。

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So, we can think about now how do we describe this bond in valence bond theory.

我们现在可以考虑,怎么在价电子成键理论中描述这个键。

麻省理工公开课 - 化学原理课程节选