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The proposed inverter has a new auxiliary resonant commutation cell. It provides that all main switching power devices in the soft-switching inverter operate at zero-voltage-switching turned-on and the auxiliary switches operate at zero-current-switching turned-off. In addition, this thesis presents an improved control scheme to minimize the operation of auxiliary resonant circuit for efficiency improvement.

所研制之柔切式数位变流器，系利用新型辅助谐振单元，使主功率开关操作於零电压切换，辅助开关操作於零电流切换，在此也提出改善之控制方案，以避免多余的辅助开关切换，因此能有效降低谐振电流所造成的额外导通损失，以提升系统之效率。

At the same time, according to situation, the corporation abandons unimportance business operation and concentrates its attention on developing main industry.

对企业核心竞争力的持续投资大致包括对核心技术、人力资源和营销能力的投资等三个方面。

The main parts, operation principles, and application of the variable speed limit system were discussed.

文中介绍了可变限速系统的主要组成部分，工作原理以及应用情况。

In this paper, a lot of research works of algorithms of mining CAD has been done. Many important mine specialty graph operation algorithms have been put forward. The main results are as follows: polygons cut out algorithm, two close polygons mutual, merge and subtract algorithm, polygon vector fill, any vector polygons area calculating and sequence polygons or multifold which has the direction and region area calculating, curve smoothing, graph element search for any region, graph element attrib collect in any region, parallel polygon or vector intersection-point push out or pull in, ore reserves and grade calculating for any type polygon, mine spatial data searching and boundary line tracking and automatic link algorithm etc.

论文在矿山图形算法研究方面做了大量的工作，提出了许多有价值的矿山专业图形运算算法，主要算法有：多边形裁剪算法、闭多边形的加、减、并算法、多边形的矢量填充算法、任意有向多边形、有向多连域、有向多边形序列面积算法、多种曲线光滑算法、任意区域的图元搜索算法、任意区域图元属性提取算法、多边形平行外推/内缩算法、任意多边形储量品位计算、矿山空间数据搜索算法、界线的自动追踪和连接等。

According to the development and application of the vertical pressure filter in China and abroad, the structure, the main technological parameter, operation principle and process, key technology design and design character of the BLZG38 automatic pressure filter are introduced.

简要叙述了BLZG38型全自动立式液压式压滤机的结构组成、主要技术参数、工作原理及过程、关键技术设计、设计特点，认为BLZG38型全自动立式压滤机的研发比较成功，其适用范围较广，可以作为新产品投入市场进行推广使用。

The control box consists of main controller, video server, and operation box.

控制箱包括主控制器、视频服务器以及操纵箱三部分。

With the continuous innovation and diversification with retail area, the chain operation has showed its strong influence and vigorousness, which has been the main operating way of retail industry.

伴随着零售业业态的不断创新和多样化，连锁经营显示了强大的影响力和生命力，已经成为零售业主要的经营形式。

It is introduced the design concept of program for track data of LKJ 93 train running monitor and record device,focusing on its main functions such as the document operation,setting of environment,track gradient,voice prompting,etc.

介绍了LKJ－93型列车运行监控记录装置地面线路数据程序的设计思想，并着重阐述了其主要功能，如文件操作、环境设置、线路坡度、语音提示等。

Operation risk and credit risk, market risk wae real to be juxtaposed for three kinds of main risks since the Basel new capital agreement was released.

将操作风险与信用风险、市场风险真正并列为金融机构所面临的三种主要风险进行管理，则是《巴塞尔新资本协议》发布以后的事情。

Shall the viewers dare to search a deeper understanding, they would be rewarded a discovery of its inherent force and contradiction projected between the smooth surface streamline, and the broken trace of like having been torn by some massive force from operation adjustment. It is somewhat equals to a shell of the wing fallen off into the aerosphere from its main body of universe aircraft in high speed, melt and distorted on the surface.

经过深度阅读，观者就可发现作品内在的力量和冲突，雕塑表面光滑的流线型和仿佛因调整运行而被粗鲁撕裂的痕迹纠结在一起，犹如从宇宙飞行器上脱落的一块机翼残片，因急速坠入大气层导致部分表面被熔化、被扭曲。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。