first principles

The practice of the art dominates, design from first principles is rarely attempted.

在设计中还是以经验成分为主, 很少有试用基本原理进行设计的.

So what it means is, we can calculate equilibrium constants for ordinary chemical reactions just from first principles.

这就是说，我们可以计，算普通化学反应的平衡常数，从第一原理。

Charge transport properties of a molecular wire investigated by first principles

分子线的电子输运特性

Discussing all these details will get us nowhere: we must get back to first principles.

讨论这些枝节问题是毫无用处的,我们必须回到基本原则上来.

His manuals including The Royal Parisian Baker and the massive five-volume Art of French Cooking Series ( 1833-1847, completed after his death) first systematized many basic principles of cooking, complete with drawings and step-by-step directions.

他所写的包括《皇家巴黎面包师》和宏伟的五卷巨著《法国烹饪艺术系列》(1833-1847，在他死后完成)在内的烹任指南首次将很多烹饪的基本原理系统化，并且书中还配有插图和每一步的操作指南。

First Principles Calculation of Electronic Structure and Elastic Constants of Tetragonal HfO_2 Crystal

四方晶相HfO2电子结构和弹性常数的第一性原理计算

To combine hardness semiempirical equations and population ionicity scale of a chemical bond makes the hardness predictions possible, in which all parameters can be calculated by first principles.

将硬度的半经验公式与化学键的布居数离子性标度相结合，使完全采用第一性原理可计算的参数来预测硬度成为可能。

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.

In the essence of these facts lie the first principles of morals.

这些事实的本质中蕴藏着道德的最基本原则.

The first principles method, as it could effectively give the details at atomic level for materials, has been widely applied in computational physics and chemistry, materials and theoretical chemistry.

第一性原理方法因其能方便的提供原子分子水平的信息，在计算物理／化学、材料学和理论化学方面已经被广泛应用。

At the system level, it follows the first principles to keep the conservation of mass, energy, and momentum, respectively.

该方法在系统层面，采用传统的基于质量守恒、能量守恒、动量守恒的建模思路，保持模型的通用性。

I think we should go back to first principles.

我认为我们应该回到基本原则上。

Merill's First Principles and the Evaluation of Web-based Course

梅瑞尔首要教学原理及网络课程的评价

Discussing all these details will get us nowhere; we must get back to first principles (= the most basic rules) .

一直谈这些细节不会有结果的；我们必须回到根本原则上来。

To understand why debt may have become a burden rather than a boon, it is necessary to go back to first principles.

要搞清楚为什么债务可能会成为负担而非一种恩惠的原因有必要回到最基本的原则。

The second objective is to develop the first principles of statistical inference.

这一章的第二个目的是研究统计推断的一些基本原则.

To have doubted one's own first principles is the mark of a civilized man.

曾对自己的首要原则表示过怀疑,是文明人的标记.

In this argument I am proceeding from first principles.

我这个论点是从最初原则发展而来的.

Dr Merill's First Principles and the Design of Web-based Courses

从梅瑞尔首要教学原理看网络课程的设计

It is the search for first things and last things -- for first principles and their ultimate implications.

它探求事物的本原和终结 —— 探求其根本原理和终极意义.

Only one expert source seemed prepared to analyse the problem afresh, from first principles.

只有一位专家似乎已准备要从根本原理着手重新研究这个问题。