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The foundation of this system provides a good reference to promote the standardization and intelligence of the overhaul and maintenance of vacuum switches. This paper develops a special HF pulse power supply for internal pressure estimation, which achieves the output of HF-HV sinusoidal pulse wave whose frequency and amplitude can be modified respectively, and meets the design requirements according to the results of Simulink simulation and practical experiments. With the help of AT89S52, this paper designs an I~2C serial bus based signal detection system for peak value signal acquisition of HF pulse currents, which communicates with the upper computer by asynchronous serial communication for uploading the data. In the upper computer, a human computer interface is developed by Matlab software, whose functions are to do some computation and graphic display, such as calibrating the relation curve of vacuum degree and peak value of HF pulse currents, vacuum degree computation, and vacuum lifetime evaluation analysis basing on grey forecasting model as well as making relative suggestions.

本文研制了用于真空度检测的高频脉冲电源，通过Simulink仿真和试验检验其满足设计要求，实现了电压幅值和频率独立可调的正弦波高频高压脉冲输出；利用以AT89S52为核心基于I~2C串行总线的信号检测系统实现高频脉冲电流峰值信号的采集，通过异步串行通信实现单片机与计算机之间的数据通信，将检测数据传至上位机；在上位机利用Matlab开发人机交互界面，实现相关数据处理和图形显示，包括真空度——高频脉冲电流峰值关系曲线标定、真空度数值计算、基于灰色预测模型的真空寿命评估分析和提出相应决策建议。

Company no direct reference to how to deal with acquisition of Northwest Airlines when it inherited 18 Boeing 787 aircraft orders, but CEO Ed Bastian said,"Delta Air Lines will move funds used to enhance the machine quality and consistency of the product and that we already have the efficiency of the aircraft, rather than to invest in buying new aircraft."

公司未直接提及如何处理收购西北航空时所继承的18架波音787飞机的订单，但总裁 Ed Bastian 表示，"达美航空将会把资金用于提高机上产品的品质与一致性以及我们已拥有的飞机的效率上，而不是去投资购买新飞机"。

FROM the Wandering Jew to the Lambeth Walk, via the Sony Walkman and much else besides, it is hard to find any literary, cultural or historical reference to walking that is not included in Geoff Nicholson's bewitchingly informative treatise.

随身带着索尼随身听与其它一些物品聆听着漫步的声音，从"流浪的犹太人"到"朗伯斯漫步"，然而在格奥夫。尼科尔森的这部令人销魂且见闻广博的著作中，我们很难发现任何与有关"行走"的文学上、文化上以及历史上的渊源而本书未曾提及的了。

Closed credit can be granted, with reference to that granted to state-owned industrial enterprises, to foreign trade enterprises that suffer temporary industrial enterprises loss but have orders and guarantee for repayment. A coordinated service process of establishment of L/C, issuing of packing credit, bill of exchange, and recalling of the credit can be provided after strict examination by the creditor bank.

对暂时亏损，但有订单、还款有保证的外经贸企业，可参照国有工业企业的办法对其发放封闭贷款，经贷款行严格审查后，通过开证、发放打包贷款、押汇、贷款回收等一条龙服务的方式支持其发展。

The term has, in the vernacular, come to refer to any double or look-alike of a person, most commonly in reference to a so-called evil twin, or to bilocation.

Doppelganger"指同一个人出现了两个，或者极其相象，比较普遍的用于指出现了另一个邪恶的自我，或者在两地同时出现。

According to ZHUANG 52 block developing character, studying the reservoir remaining oil distribution, finding out a set of technique to excavate the complex block reservoir and offer a good reference to improve the developing effect of maturing oilfield in high water-cut and output decline stage.

本文研究针对桩52块油藏的开发特点，从研究油减剩余油分布入手，探索出了一套研究剩余油潜力分布的技术，为今后改善高含水期、产量递减的老油田的开发效果提供了有效的方法。

He said that the letter Soochow excellent sound of the Bond Fund Notes will be closely linked to the choice of "excellent","the letter" word, that is the preferred choice of high credit rating of bonds to make full use of their own in-house study of a combination of external reference to the ratings, should be selected investment And in line with the requirements of the bond credit rating.

他说，这封信东吴的优秀债券基金债券声音将密切相连的选择"优"，"信"字，这是对债券的信用等级高的首选，使自己的充分利用的外部参考评级组合内部研究，应选择的投资和与债券信用评级的要求。

As an introduction to this discussion, I would like to outline present caiman taxonomy with reference to King and Burke (1997) as a standard.

作为这次讨论的介绍，我想目前的凯门鳄分类大纲参照国王和伯克（ 1997年）为标准。

To reinforce the idea that all transferred IP rights must be explicitly listed in a transfer agreement, we refer to a second decision (2,) dated February 7, 2006, of the French Cour de Cassation which decided that a transfer agreement (in this case, a transfer after bankruptcy) not containing an explicit reference to an IP right meant that is the right was not transferred.

所有转移的知识产权必须在转让协议中明确列明，为强化这一观念，我们来参考第二个判决（2），判决日期为 2006 年 2月 7 日，由 French Cour de Cassation做出。该判决指出，转让协议中如未明确提及知识产权权利，则意味着该权利并未发生转移。

Pairs of GPS hand-book set of parameters, including a reference to prop up the ball, using the coordinate system, the central meridian, projection models, and a known point data, radio frequency, etc., should be used on your system and to be carried out by full understanding of the task, the only way the process of conducting the tests, in order to ensure that the entire system to work properly.

2对GPS手簿中的参数进行设置，其中包括参考托球、所采用的坐标系、中央子午线、投影模型以及已知点数据、无线电频率等等，要对你所采用的系统和所要进行的任务有充分的了解，只有这样在进行测量的过程中才能保证整个系统正常的工作。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。