查询词典 essential element

Has become the essential invertor in each kind of domain, along with on-off element large capacity and high frequency, microcomputer high performance and control technology and return route integration, may realize invertor's miniaturization, the high response, the high efficiency output and high reliable.

在各种领域已成为不可缺少的逆变器，随着开关元件大容量化和高频化、微机高性能化和控制技术和回路集成化，可实现逆变器的小型化、高响应化、大功率输出化和高可靠化。

" Element :a fundamental, essential, or irreducible constituent of a composite entity."

元素，基本要素：一个组合整体中的基本的、最主要的、不可再缩小的组成成分。

A regulatory element specific for a milk protein is essential for generating mammary bioreactors. This study cloned and sequenced a 1. 59kb DNA fragment derived from bovine β—lactoglobulin gene.

为了制备乳腺生物反应器所需要的乳腺特异性表达的调控序列，本文用PCR法克隆了牛β—乳球蛋白基因的一个1.59kb的片段，它包括0.65kb的5′侧翼序列，第一、二外显子和第一内含子。

The microelement zinc is an essential body inner element , it participates in the various the human body physiology activity.

微量元素锌是体内不可缺少的元素，它参与人体的各种生理活动。

Secondly, point out that meshless method is different from finite element method in handling boundary condition and numerical integral because the approximation function of meshless method is not inserted function, it have itself special methods. Deduces meshless Galerkin essential equation of parabolic partial differential equation with the method ofweighted residuals------Galerkin. Furthermore, discusses the main factors which may effectthe calculation precision and give some suggestion with which can get the best result.

其次，由于无网格法的近似函数不是插值函数，所以无网格Galerkin法在处理边界条件和对区域积分时是不同于有限元的，它有其独特的处理方法，从加权残量法——Galerkin出发，推导出抛物型偏微分方程无网格Galerkin法的基本方程，并对影响无网格Galerkin法的主要因素进行探讨，给出了取得最佳效果的相应建议。

Basing on the variation principle of solid-fluid coupled problem,on the situation of the tank being full filled,the essential method and principle have been found by using the numerical approximation of finite element method.

在罐车满载的情况下，根据固液耦合问题的广义变分原理，使用有限元的近似数值计算方法，找到解决满载罐车液固耦合振动问题的基本方法和原理，建立铁路罐车的固液耦合问题的动力学控制方程，并通过算例验证液体对罐车耦合振动的影响，得到在工程上所需要的分析结果。

Because of its rich in vitamin C, B1, B2 and 18 kinds of essential amino acids and iron, zinc, calcium, palladium, Luo, cadmium, and other nutrients and rare element, so regular consumption can play a disease-resistant, anti-cancer, refreshing, Liver, blood Qi, Run Fei Jin-sheng, Yangwei spleen, and beauty in tolerance.

由于其富含维生素C、B1、B2和18种人体必需的氨基酸及铁、锌、钙、钯、硌、镉等营养物质和稀有元素，所以常食用可起到抗病、抗癌、提神、保肝、补血益气、润肺生津、养胃健脾、养颜驻容的作用。

The essential mathematical feature upon which this technique is based is that a square m*m matrix C of non-negative real numbers representing, for example, pairwise comparisons of the importance of element of the next higher tactics level has a characteristic equation which yields a dominant eigenvalue λ and a cprresponding right eigenvector x

基本数学特征后，该技术的基本思想是方形m*M矩阵三非负实号码代表，例如成对比较的重要组成部分，未来较高的战术水平有一个特性方程而产生主导特征和cprresponding权向量xwherec=与cij和cij=满足一致性条件

A good children"s recreation environment in their residential areas is an essential transeunt element for the children"s healthy growth. By using the theories of children psychology, environment behavior, andhabitation environment planning, the thesis adopt the method of "theory------demonstration------plan", and analyses the mutual relations of children"s behaviors,the structure of children"s recreation roomage, children and their recreation roomage.

本文从儿童的视角出发，运用儿童心理学、环境行为学、居住区环境设计等理论，采用"理论——实证——策略"的研究思路，对儿童行为心理、居住区儿童活动空间形态构成，以及儿童与活动环境之间的互动关系进行了分析。

Corporate culture as emperor of wine are natural self-color, self-fermented sweet, mellow taste, refreshing soft, alcohol co-ordination body, flavor, containing more than 20 kinds of essential amino acids and various vitamins and beneficial trace elements and rich containing anti-cancer element of the king -"Se", is rich in nutrients, suitable for middle-aged and old, such as President, and the vast numbers of people drinking, can be medicine or seasoning cuisine.

象都皇酒纯天然自生色泽，发酵自生甜味，口味醇厚，柔和爽口，酒体协调，风味独特，内含二十多种人体必需的氨基酸及多种维生素和有益微量元素，并富含抗癌元素之王——"硒"，营养十分丰富，适合女士及中老年等广大人群饮用，亦可入药或作美食佳肴的调料。

I am sure after a few weeks of adaptation and familiarization I will have no difficulty in functioning on a daily basis in an English speaking society or in participating fully in graduate studies.

在大学的三年的学习生活不仅给予我自身的充实，更重要的是磨练和培养了我较强的自觉能力和严谨，踏实的作风以及不怕困难的精神，对未来充满了信心！

As the first volcanoes erupted, one of the gases that bellowed out was steam.

在第一批火山喷发时，喷出的气体之一就是水蒸汽。