One of the first principles of probability theory is called the multiplication rule.
概率论的基本原理之一叫做乘法法则。
One of the first principles of probability is the idea of independence.
概率论第一个基本原理中的一条是事件的独立性。
However, the electrical structure and optical properties of Si3N4 have not been investigated in detail by the first principles theory.
目前对氮化硅材料的电子结构和光学性质的第一性原理研究较少，特别是碳掺杂的氮化硅材料的第一性原理研究更少。
Based on the density functional theory, the first principles calculation was performed to investigate the bulk, surface copper and the diffusion in the copper thin film.
本文应用基于密度泛函理论的第一性原理赝势法，较系统地研究了铜体相和表面相，以及锂离子在铜薄膜中的扩散行为。
What did Lecter say about the "first principles"?
莱达说的首要原则是什么？
The first-principles calculations were widely used in many different fields of materials science.
第一性原理计算方法已被广泛应用于材料科学的各个领域。
The discussion was made about the above phenomenon based on related results derived from the first-principles calculation.
结合第一原理计算的相应结果，对上述现象进行讨论。
It was performed by adopting the first-principles calculation of plane wave ultra-soft pseudo-potential technology of based upon the Density Function Theory (DFT).
所有计算都是基于密度泛函理论(DFT)框架下的第一原理平面波超软赝势方法。
It was performed by adopting the first-principles calculation of plane wave ultra-soft pseudo-potential technology of based upon the Density Function Theory (DFT).
所有计算都是基于密度泛函理论(DFT)框架下的第一原理平面波超软赝势方法。
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