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So compensating of nought line current is very important, that needs the Trinomial Four Lines pattern static Var Generator. The applied theory was brought forward two or three tens years ago, but domestic Trinomial Four Lines pattern Static Var Generator has not matured yet.

三相四线制静止无功发生器所用到的电流坐标变换理论虽然提出已有二三十年的时间了，但至今国内三相四线制静止无功发生器产的产品还不是很成熟。

This is the four vertical and four horizontal Haikou city an important part of the trunk road, Haikou bear economy, life and business transport more than 70% of the volume.

这是4纵四横海口市的一个重要组成部分的主干道路，海口承担的经济，生活和商业运输的70 ％以上的数量。

Two thousand five hundred and ten ;84,296＝ eighty-four thousand two hundred and ninety-six ;274,350＝ two hundred and seventy-four thousand three hundred and fifty .

1000以上的数字，从后往前数每三位加一个逗号"，"第一个逗号前为千，第二个逗号前为百万，第三个逗号前为 billion。

Therefore, the structure and operation of photo typesetter for simple, but the record accuracy and positive on General is limited to four or four the following format film output.

因此，这栽照排机的布局和操不不竖独一，但纪录精度和套准精度不详矮，凡是只限于四闭或四闭以上幅不背的胶片输不入。

They give an expression to different educational features in their respectively social background: Four Orientations attach much importance to regional impartiality of education, to the attributes of distance education and to the diversification of educational quality, all of which display distinct policy characteristics; Four Opens lay much emphasis on the equity among people, on the attributes of open education and on the standardization of educational quality, all of which are clearly typical of ultimateness.

两种理念具有深刻的内涵，其在中英远程开放教育中有着重要地位，两者在各自的社会背景中体现不同的办学特色："四个面向"理念更加重视教育"区域公平"，强调"远程教育"属性，注重教育质量"多样化"，具有更明显的政策性特征；"四个开放"则更重视教育"人际公平"，强调"开放教育"属性，注重教育质量"标准化"，具有更明显的终极性特征。

The principle of partial discharge detection of gas insulation switchgear with ultra high frequency is discussed.A 220 kV GIS bus bar cavity is adopted as a test object to design and simulate four typical defect models in GIS.The PD signals produced by the four models are obtained via the PD detection system,which is developed by the authors on the basis of the narrow band UHF method.

为了提高GIS运行的可靠性，笔者简要说明了超高频法检测GIS局部放电的原理，并在实验室以一段220 kV电压等级的GIS母线为试验对象，设计和模拟了GIS中典型的4种局部放电模型，并使用自主研发的超高频窄带检测系统对其局部放电信号进行检测。

Wang gave up only four hits last night, but was uncharacteristically wild, walking four.

小王在昨晚的比赛中，只让对手打出4支零星的安打，但他的控球并不稳定，他投出了四次保送。

Four hours and four courses of uncooked food later...

四小时内吃了四客没煮过的食物后

Unicameral National Congress or Congreso Nacional 121 seats; 79 members are popularly elected at-large nationally to serve four-year terms; 42 members are popularly elected by province - two per province - for four-year terms

议员共121名，任期四年，其中全国议员20名，由全国普选产生；省议员101名，由各省按人口比例选举产生。1998年7月，厄增设弗朗西斯科－德奥雷利亚纳省，1999年国会省议员增加2席。

The results show that there were no significant differences among the four forage rations in rumen pH, the concentrations of total volatile fatty acids, acetate, propionate, the ratios of acetate to propionate, butyrate, isobutyrate and valerate（P﹥0.05）. Only in 11:30, the concentrations of isovalerate caused by ration A and B were significantly higher than the other two rations(P﹤0.05).The milk yield caused by the ration C was significantly lower than the others (P﹤0.05). However, there were also no significantly differences among these four rations in the DM, fat, sugar, protein and scc of the milk. The milk fat and sugar of ration B and C were higher than ration A and D in number as well.

试验结果显示：各粗料组合日粮对各个时间点的瘤胃发酵指标：pH、TVFA、乙酸、丙酸、乙酸/丙酸、丁酸、异丁酸、戊酸浓度均无显著差异（P﹥0.05），只在11：30时，日粮A、B的异戊酸浓度显著低于日粮C、D (P﹤0.05)；日粮C的产奶量显著低于其它三个日粮，而在乳干物质、乳脂、乳糖、乳蛋白、体细胞数上，各日粮均无显著差异，从数值上看，日粮B、C的乳脂和乳糖高于A、D。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐