first-principle

基本解释

A first-principle approach to the calculation of dc conductivities of the porous medium and composite is developed.
我们发展了一种计算多孔和复合媒质直流电导率的第一性原理方法。
Following, we described solid energy band theory which is one of the most successful and important theory in condensed physics, and materials computation methods with first-principle.
紧接着叙述了凝聚态物理学中最成功、最重要的理论之一——固体能带理论，以及在这一理论框架下的第一性原理的材料计算方法。
With the progress in density functional theory (DFT), first-principle calculation based on DFT has become a routine method for condensed matter theory, quantum chemistry and material science.
随着密度泛函理论的发展，基于它的第一性原理计算已经成为凝聚态理论，量子化学和材料科学的常规方法。

Peter is much more willing to look at things from a first-principle standpoint.
NEWYORKER: No Death, No Taxes
Even President Bush, who understands that we are confronting a new and toxic ideology that extends far beyond Iraq, nonetheless systematically fails to practice the first principle of counter-ideological struggles: delegitimate your enemies.
CENTERFORSECURITYPOLICY: What were they thinking?
We have been quite clear that obviously this is not about the -- the principle, first of all, is a principle.
WHITEHOUSE: Press Briefing

one of the fundamental assumptions on which a particular theory or procedure is thought to be based