查询词典 efficience

This text introduce a sort of new pattern soft switch PFC circuit .First, analyze the develop course of the on-off power supply. Second, relate the harm of humorous wave to the commonality electricity net. Third, present the topology and the principium chart of the soft switch PFC and analyze it .At last ,set the parameter and simulates the converter of with matlab simulation. more over ,get the hold of well voltage and current wave , minish the spoilage of the circuit, enhance the efficience of the circuit, meet the demand of the miniaturization and viridity.

本文引入了一种新型的软开关PFC电路，首先分析了开关电源的发展历程，然后讲了谐波给公共电网造成的危害，再给出了这种软开关PFC的电路拓扑及原理图并对其工作原理进行了分析，最后对其参数进行设置在MATLAB软件进行了仿真，并得到了良好的电压电流波形，而且减小了电路的损耗，提高了电路的效率，实现了小型化，绿色化的要求。

I am able to efficience again.

我将能够做得更好。

With the development of technology, It is enormously significant to improve the efficience of land survey work by using advanced technology.

随着科技水平的提高，应用先进技术手段对提高土地调查工作效率具有重要的意义。

There are so many reasons for efficience of group collaborative learning under Network environment.

网络环境下高效的小组协作学习原因有多方面。

Practice proves that the testing system is highly efficience and high precise.

实践证明，该系统是一套高效率的、高精度的扭矩测试系统。

It is important for a Data Management System to share and exchange data in different applications. As a result, the efficience and maintenance of software can be improved.

解决不同应用程序之间的数据共享和交互问题，提高应用程序的通用性，便于应用程序的升级，以降低应用程序的开发成本是数据管理系统研究的一个重要内容。

Continuously improve working quality and efficience, be number one.

永无止境地提升工作质量和效率，做第一。

Objective: To evaluate the methods and efficience in conservative treatment of mandibular odontogenic cysts.

目的：探讨保守治疗下颌骨囊肿的方法并评价其疗效。

Although mechanical arm is far from the real one, it has higher efficience in doing some work.

虽然机械手远比不上人手，但某些工作由机械手来做效率会更高一些。

But the stereotypital teaching model seriously hindered efficience of students' work and practice.

其教学中呆板的实训教学模式，严重地阻碍了学生的学习和实践。

Objective: To study the effect of polycythemia on blood oxygen saturation.

裴蕾目的：观察RBC剧增而引起的高粘血症对血氧饱和度的影响。

Based on SIMPLER algorithm in the curvilinear body-fitted coordinates, the calculations were performed for Pr=0.7, Re=10~1000 on non-orthogonal non-staggered grids which are generated by elliptic equation systems.

采用曲线坐标系下压力与速度耦合的SIMPLER算法，数值研究了周期性渐扩渐缩波纹通道内脉动流动与换热情况，流动Re数的范围为10~1000，Pr数为0.7。