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After that, the space feature of the spindle rotating error movement and the error movement of a straight moving measurement—frame are also analysed, by which, the axile multiple—lift separating method and the one step by another step separating method are set up.

其次，分析了主轴回转误差运动和测架直行误差运动的空间特征，并以此为依据，提出了轴向多层分离法和逐次两步分离法。

The invention relates to a processing method of preventing frostbite and restarting of hydrogen electric pile, whose characteristic lies in the treating processes includes: When the electric pile turns off, the unsaturated fuel gas or the nitrogen, through the circle boast to clean the dissociate water; drying the MEA film module to keep the water content below the stipulated temperature which does not ice up; then the recycle gas through a wet exchanger to dry and the dried gas is continue used in the dry pile step; when restarting the electric pile, the recycle gas must heats then through the pile to elevate the temperature, then heats the fuel gas and the oxidant of the gas source, through the weting of the wet exchanger enters to the calefactive pile, enhances the wet step of the film module in the pile, starts the power output of the pile.

本发明涉及一种氢电堆的防冻和重新启动时的处理方法，其特征在于处理过程包括：电堆停机时，将水蒸气不饱和的燃料气体或氮气，通过循环吹扫除去电堆的游离水；干燥其中的MEA膜组件，使膜组件含水量降低到规定低温下不结冰的程度；而后再令循环气体通过一个湿交换机将循环气体干燥，以及被干燥后的循环气体继续用来干燥电堆的步骤；在电堆重新启动时，须将循环气体加热后通过电堆，使电堆升温，然后再将气源的燃料气及氧化剂加热，通过湿交换机加湿后进入已升温的电堆，提高电堆中膜组件的湿度的步骤，开始电堆的功率输出。

The precondition and key point to solve the problems occurred in the labor market in the Yangtze River Delta is to repair the adjustment function of the market system, that is the competition system, the price system, the supply and demand system and etc., to the labor market, clamp down those census registration administration system and relative labor system which have a character of discriminational color and identity difference, dredge the labor force circulation channel, eliminate the systematic system caused by the segmentation of the labor market step by step and set up an unified and more flexible labor market.

解决长三角经济区劳动力市场诸问题的前提和关键是修复市场机制，即竞争机制、价格机制、供求机制等，对劳动力市场的调节功能，取缔带有歧视色彩和以身份甄别为特征的户籍管理和相关的劳动制度，疏通劳动力流通渠道，逐步消除劳动力市场分割的体制性障碍，建立一个统一的，更富有弹性的劳动力市场。

Situation of the utilization of experiment resources:(1) The opening up of the laboratory are relatively weak aspect, so, in these schools, students have few chances to do extra-curricular experiments;(2)Almost all of schools teaching experiment instruments are used, less instrument is not used, the main reason for not used is that these experiment instruments are irrelevant with materials or they are obsolete and damaged;(3) Teachers always experimentalize according to the teaching materials step-by-step, there is no improvement;(4) Most teachers don\'t pay attention to the evaluation of experiment result, students merely write expriment report;(5) The teachers have realized some significance of inquiry experiments, but have not begun action consciously.

从实验教学过程和实验资源开发利用情况看：(1)实验室的开放是比较薄弱的环节，绝大多数学校只有上实验课时才开放实验室，因此这些学校的学生进行课外实验和小制作的机会很少；(2)绝大多数学校实验教学仪器的利用情况较好，闲置仪器较少，其闲置的原因主要是实验内容与教材无关或仪器陈旧损坏；(3)实验过程基本上是按教材提供的步骤进行，教师对实验过程和教学仪器的研究和改进较少；(4)很多教师不重视对实验结果的评价，学生很少写实验报告；(5)教师对探究性实验的意义已有认识，但还没形成自觉行动。

The first part is the introduction, which generally introduces the research purpose and significance of this thesis, the summary of the financial pre-warning researches both home and abroad, and the research main contexts and research methods; The second part is the comparison on the financial pre-warning methods existent, which compares the different methods by categories, makes a further analysis on the limits of existent methods, and proposes the improve thoughts of this research based on that; The third part is the basic theory, which makes a summary of the referent theories exerted on the research, and exposit the comparing mechanism of the grey prediction theory and the artificial neural network method concise; The fourth part is the frame work of the model, which illuminates the research designs step by step, such as the definition of the financial crisis, the method of sample select, the select and definition of the pre-warning variables, and makes an exposition of the establishment procedures of the whole models at last; The fifth part is the financial pre-warning based on the theory of grey prediction and artificial neural network, which mainly demonstrate the model establishment in the concrete, dividing into four part to carry out the part of pragmatic research integrally, building of indexes system, establishment of BP neural networks, dynamic financial pre-warning and test, analysis on the pre-warning result; The sixth part is conclusion, which sums up the main results of the whole research, clarifies the innovative points, and makes a discussion on the limits and future study directions of the research in this thesis.

其中，第一部分为导论，总括性概述本文的研究目的与意义，国内外研究综述，以及本文的研究内容和方法；第二部分为现有财务预警研究方法剖析，通过对现有预警方法进行分类比较，进一步分析现有预警方法的局限性，并在此基础上提出本文研究的改进思路；第三部分基本理论，对本文研究中运用的相关理论进行扼要概述，并简要阐述灰色预测理论与人工神经方法的融合机理；第四部分为模型研究框架，逐步阐释模型对财务困境的界定，样本数据的选取方法，预警变量的选取与定义等各个部分的研究设计，并对整体模型的构建步骤进行简要阐述；第五部分为基于灰色神经网络模型的财务预警，主要论述动态预警模型的具体实现过程，分模型指标体系的建立，BP神经网络的建立，动态财务预警与检验，以及预警结果分析四个部分全面阐述本文实证分析过程；第六部分为结论，总结本文研究得到的主要研究结论，以及本文研究中的创新之处，并对论文的不足与后续发展研究进行探讨。

So far, more than 400 people to the United States, Canada, New Zealand, Saudi Arabia, working in 13 countries, nearly 1,800 people to Beijing, Shenzhen, Tianjin, Shanghai and other mainland city of employment, the employment rate reached 100 percent, and the quality of employment and stability of the good; Since 2003, the schools are with the United States, Canada, Australia, New Zealand and four countries, five institutions have established stable cooperative relationship, the external output channels, step by step flow; Ministry of Education, Ministry of Health and Hebei Province, Chengde City, as well as foreign institutions in the schools to set up various training bases 5; the past five years, the school sponsoring scale nearly one-fold, the campus covers an area of increased 113%, construction area increased by 1.5 million square meters, laboratory instruments and audio-visual equipment , books and other school conditions have been substantially improved; the establishment of teaching practice base 95, including major hospitals outside the province such as the Beijing Union Medical College Hospital, PLA General Hospital, the Third Affiliated Hospital of Peking University Department of Medicine, Shenzhen Second People's Hospital, Shanghai Punan A total of 44 hospitals, etc.; the overall quality of teaching staff has been significantly improved, train 21 graduate students, teachers, served as the textbook editor of the National Commission 8, deputy editor of 3; In recent years, the school received more than 20 each year and several other universities abroad, missions or study visits of experts and scholars, the social impact of growing; school sponsoring the good results achieved by the media attention, the China Education reported that vocational and technical education in China magazine, China's economic construction magazine, Hebei Daily News and a number of media school characteristics school carried out varying degrees of coverage, such as the China Education Daily,"features professional make angels in white taken the door," the Chinese Journal of Vocational and Technical Education "angel from here into the world," and so on.

截至目前，已有400多人到美国、加拿大、新西兰、沙特阿拉伯等13个国家工作，有近1800人到北京、深圳、天津、上海等国内大城市就业，就业率达到了百分之百，而且就业质量和稳定性良好；2003年以来，学校分别与美国、加拿大、澳大利亚、新西兰等4个国家的5个机构建立了比较稳定的合作关系，对外输出渠道逐步畅通；教育部、卫生部和河北省、承德市以及国外机构在学校建立各类培训基地5个；近5年来，学校办学规模扩大了近1倍，校园占地增加了113％，建筑面积增加了1.5万平方米，实验仪器和电教设备、图书等办学条件得到了实质性的改善；建立教学实习基地95个，其中省外大医院如北京协和医院、解放军总医院、北京大学医学部第三附属医院、深圳第二人民医院、上海浦南医院等共44所；师资队伍综合素质得到显著提高，培养研究生21名，教师担任全国统编教材主编8部，副主编3部；近年来，学校每年接待20余所兄弟院校和数个国外访问团或专家学者的考察访问，社会影响不断扩大；学校办学取得的良好成绩受到了媒体的关注，中国教育报、中国职业技术教育杂志、中国经济建设杂志、河北日报等多家媒体对学校特色办学情况进行了不同程度的报道，如中国教育报的《特色专业让白衣天使跨出国门》、中国职业技术教育杂志的《天使从这里走向世界》，等等。

When pump starts, the lower impeller lifts the solution up step by step. And the extreme centrifugal force from the enlarged higher impeller stops the solution as it entering the higher impellr. At the same time, the full solution in the chamber stops the air mixed with the solution in the chamber to go down. This way masterly eliminates both big problems of vertical sealless pump, overflow at high pressure and bubbles at big flow.

塑宝SV泵剖面结构SV Super Series Analytical cross section SV泵剖面结构泵开始运转时，底部叶轮将液体逐步上推，待液体进入上部叶轮时，即受加大之背叶的强大阻力而无法上升，但上部叶轮所卷入液体中的空气，却受阻於水室中贮满的液体而无法下降，如此巧妙地排除了立式无轴封泵高压时溢流，或大流量时吸入空气的两大难题。

Operation: The performer puts his both hands to keep close to armpit of beneficiary separatedly to rub and dredge step by step along with the both ribs up and down

操作：施术者的两手分开，紧贴于受术者两侧腋下，沿两肋间，先上后下逐步进行分抹及疏理

Yang's poem :"We are looking forward to snow in the snowless day ,My heart often lose blood for waiting, My eyes often turns blind waiting for snow ";"Facing to the black hole and dark night ,I may choke up with emotions but I feel like having anemia after that ";"It is the last step to success but you failed to take the valuable step ; you sing all over the world but suddenly, you find out the singing is enjailed in the monastery".

我们可以从杨宗泽的诗作里找到言说这种苦闷的句子：&在无雪的冬天里盼雪/盼雪的心常常失血/盼雪的眸子常常失明&；&面对黑洞和暗夜/我也会心潮澎湃/而心潮消退之后/会有一种贫血的感觉&；&距离成功只差一步之遥/你却未能迈出那可贵的一步&；&唱遍了东西南北/忽然发现歌声却一直被囚禁在修女院里&。

The results show that: Basic density,tracheid length,tracheid width and the ratio of the tracheid length and width increase from core to bark; basic density has a small decrease from base to top,but the change is not significant;The tracheid length,tracheid width and the ratio of the tracheid length and width increase step by .step from the base up to certain height and then decrease by degrees.

基本密度自树干基部向上呈减小趋势，但变化不大；管胞长度、管胞宽度及管胞长宽比自树干基部向上呈&小—大—小&的变异规律；木材的化学成分含量和PH值除抽提物含量随着树高的增加而下降外，其它指标在树高方向上的变化未呈现明显规律性。

Chinese traditional virtue is humility and wariness,the compliment and praise to the others should be declination

中国人的传统美德是谦虚谨慎，对别人的恭维和夸奖应是推辞。如

We bought this house on the never-never.

我们以分期付款的方式买下这座房子。