什么是first-principles calculations

什么是first-principles calculations first-principles where principles come first 是什么从句? where principles come first这句怎么翻译,知道的告诉下谢谢 first principles model有具体定义么?比如是什么专有名词之类的 什么是first class lever 什么是first name 英语翻译First-principles density-functional investigation of the effect of water on the field emission of carbon nanotubes. 什么是first cost expense呀? 英语翻译First-principles density-functional investigation of the effect of water on the field emission of carbon nanotubes请连贯些. where principles come first英语读后感或有关英文作文是新概念大学英语第三册第三单元的课文读后感 principles of law是什么意思 principles of biostatistics 是什么? principles of “1776“是什么意思 principles of chemistry是什么意思 principles of accounting是什么意思 PRINCIPLES OF MACROECONOMICS怎么样 PRINCIPLES OF MICROECONOMICS怎么样