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The thesis focuses on the circuit design and parameter selection, including the power circuit, control circuit and drive circuit of the front-end converter. Apart from that, for the load-end converter, the design and critical components selection of the traditional full-wave rectification and synchronous rectification are presented.

本文设计和确定电路的各种参数，包括前端变换器的功率电路、控制电路和驱动电路，对于负载变换器则给出了普通全波整流和同步整流的滤波器设计和一些关键器件的选择。

The article makes a comparison among different types of bus, bus transmission signal and several familiar topologies of front-end converters and load-end converters. Finally, the half bridge converter with full-wave rectifier based on the high-frequency parallel-type AC bus bar is chosen as circuit structure and optimized. The working mode under different condition of the circuit is analyzed and a mathematical model is set up under continuous current mode. Simulation result is used as comparison.

通过对比不同类型的母线、母线传输信号以及各种常见的前端变换器拓扑和负载变换器拓扑，确定了基于并联型高频交流母线的半桥变换器加全波整流作为电路拓扑，并优化了电路的结构，分析了基于不同工作状态下的电路结构并建立电流连续模式的数学模型，并与软件仿真结果进行对比。

Of a roof constructed with a single slope on each side of the ridge supported at the end by a gable or vertical triangular portion of an end wall.

建成屋脊每边都有唯一斜坡的样子，两个斜坡的末端有山墙或者端墙垂直的三角形部分来支撑。

Flexo printing machine on the machine is equipped with three-position, die-cutting-position includes a gear-driven a roll, at the end of the rootstock shall only be fixed by the end of the cutting and anvil and roll of the "slot", and a machinewe formingon to put pressure on the cutting knife and adjust pressure components.

柔印机上凡是配备叁个模切工位，模切工位包含一个齿轮驱不静的底砧辊，一个用於固不退模切刀及底砧辊的「槽」，及一套能在机械壁板上给模切刀施增不不不张力并调度不不不张力的组件。

But to disobey is our loss, it is the end of us, not by any means the end of God's sanctification and glorification.

但是不顺从是我们的损失，是我们的末日。却不是神的尊崇和荣耀的结束。

Recently practically remained doubts about the fact that high-end graphical solution AMD of the following generation will appear to the light of earlier than the end of February of this year.

最近，几乎仍是怀疑的事实，高底的图形解决方案， AMD公司的下列一代会出现因早于去年底今年2月。

Gudrun, who was mayor in a neighbour village until the end of the GDR. The collapse of the GDR was very hard for her to cope with, for it meant the end of everything she believed in.

东德结束前，古淳一直在邻镇担任市长一职，东德的崩解令她难以接受，因为这表示她所曾信仰的一切都结束了。

A link has a first end hingedly connected to the inside of the case, and a second end connected to the first guide rail and able to move in the direction of the first guide rail.

连杆具有铰接地连接到壳体内部的第一端和连接到第一导轨上并能够在第一导轨的方向上移动的第二端。

Then he took a second rope -- one used to tow cars, with large hooks at both ends -- and hooked one end to a loop on the guide rope. He wound the other end around a poplar and hooked the tow rope onto itself.

然后他拿出另一根绳，一根两端带有大钩子，通常用来拖车的绳，一端钩在导索的搭环上，另一端缠绕过一棵杨树后和这个拖绳本身钩在一起。

Others charge more for goods placed on "end caps"—displays at the end of the aisles which they reckon to have the greatest visibility (although some experts say it all depends on the direction in which people gyrate around a store—and opinion on that is also divided).

"货架端"的位置收费更高，因为他们认为那个位置的可视度最高（尽管一些专家认为，这取决于消费者逛商场的方向——这种观点本身也是看法不一）。

Article 144 The Government of the Hong Kong Special Administrative Region shall maintain the policy previously practised in Hong Kong in respect of subventions for non-governmental organizations in fields such as education, medicine and health, culture, art, recreation, sports, social welfare and social

第一百四十四条香港特别行政区政府保持原在香港实行的对教育、医疗卫生、文化、艺术、康乐、体育、社会福利、社会工作等方面的民间团体机构的资助政策。原在香港各资助机构任职的人员均可根据原有制度继续受聘。

Small wonder, then, that the Chinese spend more in the shop than any other group of foreign visitors do .

这样的小惊喜，使中国顾客比任何国家的人消费得更多。