查询词典 optimality principle

It is concluded by analysis that the principle of fitfulness is the basic principle of the use of language in advertisement.

通过分析得出适切性原则是广告语言运用的基本原则的结论

First, the paper reviews the development and research of AC transfer speed system, introduces the different control strategy of transfer speed system for asynchronous motor, and discusses the basic principle of vector control system for asynchronous motor in detail,including the mathematics model and coordinate transformation of asynchronous motor, the fundamental equation of vector control, the estimation method of rotor flux, the system structure of vector control etc. Then, the paper lays stress on the fundamental principle, control algorithm and realization method in TMS320LF2407 of space vector pulse width modulation technology.

本文首先简述了交流调速系统的发展和研究重点，介绍了异步电机调速系统的不同控制策略，详细论述了异步电机矢量控制系统的基本原理：异步电机的数学模型和坐标变换、矢量控制的基本方程式、转子磁链的观测方法、矢量控制的系统结构等，并重点分析了空间矢量脉宽调制技术的基本原理、控制算法以及在TMS320LF2407中的实现方法。

This article also points out that"existence of squares","Out-In Complementary Principle","the principle of limit","Liu-Zu cross -section princeple","the area formula for rectangle and the volume formula for cuboid" determine the nature and lay the foundation of geometry in ancient China.

提出了我国古代论证几何所依据的原始命题，指出"存在正方形"连同"出入相补原理"、"极限原理"、"刘－祖截面原理"以及长方形面积公式和长方体体积公式确定了我国古代几何的性质，奠定了我国古代几何的基础。

This paper introduced the electric current sensor principle of work and voltage pick-up each kind of parameter, elaborated hands over - hands over the frequency changer the principle of work, has made the simple description to its output current voltage waveform, in addition, this article logarithm has also given quite detailed showing according to the gathering technology.

本次论文介绍了电流传感器的工作原理及电压传感器的各种参数，阐述了交-交变频器的工作原理，对其输出电流电压波形做了简单的描绘，此外，本文对数据采集技术也作了比较详细的说明。

Second, to introduce the principle of line friction drive and the correlated calculation principle.

本论文中主要介绍：首先，对输送带的组成，工作原理和相关参数进行了简单的介绍；其次是介绍线摩擦驱动原理及相关计算原理；最后部分是改造设计计算和校验。

First, it introduced the work characteristic of belt conveyer, the development survey, the principle of work and the classification; Next, it introduced the adhesive tape friction drive principle; Finally, it has carried on in detail design and calculation according to the working condition of belt conveyer, like drive, rack and so on.

首先，介绍了带式输送机的工作特点、发展概况、工作原理及分类；其次，介绍了胶带的摩擦传动原理；最后，根据带式输送机的工作条件对其进行了详细的设计计算，如驱动装置、机架等。

First of all, the work on the belt conveyor characteristics, Development, principle, classification and secondly, the friction on the tape drive principle; Finally, the working conditions under their belt conveyors, including the transmission of the slowdown Is part of a detailed design and design calculations, the simple analysis of the belt material deviation and spread the causes and solutions, has introduced several other forms of belt machine.

首先，介绍了带式输送机的工作特点、发展概况、工作原理，分类；其次，介绍了胶带的摩擦传动原理；最后，根据带式输送机的工作条件对其计算，其中对传动部分的减速器部分进行了详细的设计及设计计算，简单分析了皮带跑偏及撒料的原因和解决方法，又介绍了其他几种形式的皮带机。

First of all, the work on the beltconveyor characteristics, Development, principle, classificationand secondly, the friction on the tape drive principle; Finally,the working conditions under their belt conveyors, including thetransmission of the slowdown Is part of a detailed design anddesign calculations, the simple analysis of the belt materialdeviation and spread the causes and solutions, has introducedseveral other forms of belt machine.

首先，介绍了带式输送机的工作特点、发展概况、工作原理，分类；其次，介绍了胶带的摩擦传动原理；最后，根据带式输送机的工作条件对其计算，其中对传动部分的减速器部分进行了详细的设计及设计计算，简单分析了皮带跑偏及撒料的原因和解决方法，又介绍了其他几种形式的皮带机。

This text discusses the principle of the broking solid particle an d emulsifing liquid particle in the fruit-vegetable juice homogenizing,and the principle of highly shearing homogenizing mechanism as well as,makes use of high ly shearing homogenizing mechanism to homogenize the celery juice.

本文对果蔬汁均质中固相破碎与液相分散乳化机理和高剪切均质机理的研究，利用高剪切均质机对芹菜汁进行均质试验研究，试验表明高剪切均质机在对果蔬固液料均质效果较佳，对抑制果蔬汁的分层有明显效果。

The explanation is to be found in the principle of the equivalence of mass and energy in which (修饰 principle) Einstein stated that mass and energy are different forms of the same fundamental quantity.

从质量和能量的等效原理中可以找到解释，在这一原理中，爱因斯坦证明了质量和能量时同一基本量的两个不同形式。

The father that if work,mad father, love annoys, disposition is too indrawn the be short ofing that the father of Mu Ne, resign oneself to adversity causes father easily to love is broken; Communicate time effectively between father and son, Mu Zizhi to be less than a hour on average to wait a moment every week, it is the cause that causes the child to become addiction.

如工作狂的父亲、爱愤怒的父亲、性格过于内向木讷、逆来顺受的父亲都易造成父爱的缺失；父子、母子之间的有效沟通时间每周平均小于一小时等等，都是造成孩子成瘾的原因。

These are vandal proof and they come with a locking mechanism.

这是野蛮的证据，他们来到了锁机制。