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The main problem of arsenic in the north part of Xinjiang is the endemic arseniasis. The endemic arsenniasis in the north part of Xinjiang is related to the exploitation of deep groundwater.

北疆砷的问题主要是地方性砷中毒，北疆地方性砷中毒主要与深层地下水的开发有关。

The analysis of chorological and spatial changes of desertification indicates that expansion of desertification mostly takes place around the four main sandy lands: Keerqin, Hulunbeier, Hunshandake and Maowusu, while situation in the central part of sandy land is kept relatively steady, with some part of these areas tending to take a favorable turn.

通过沙漠化时空演变过程分析表明：沙漠化的发展主要集中在科尔沁沙地、呼伦贝尔沙地、浑善达克沙地和毛乌素沙地的边缘，而沙地的内部则相对稳定，部分地区有逆转的趋势。

The hardware part includes the design of the sensor and the intelligent robot of circumambulate's structure; the software part includes the design of the substrate programme of sensor. The author also has provided the principle of the sub- programme and main- programme, and introduced how to carry out them.

硬件部分设计了灰度传感器的电路，搭建了巡线机器人硬件构架；软件部分包括灰度传感器的底层程序设计，给出了子程序和主程序的设计原理与实现方法。

In the part of software, the introduction has been included the design and flow of not only main module but also subordinate module, infrared remote controller. Some classic programs has been analyzed. Coinstantaneous communication has been realized between main module and subordinate module based on the study for infrared communication protocol.

在系统软件设计部分，详细叙述了：主机系统软件设计及流程；从机系统软件及流程；红外遥控发射器软件设计及流程，并对典型程序进行了分析。

Part two: The establishment of the model on the evaluation system of surgical practice quality for five-year clinical medicine education In this part methods of level analysis and specialist consultation are applied to weigh all the essential evaluation factors; and on the basis of the weighing, fuzzy mathematics overall assessment is used to establish mathematic models, which will also be testified followingly to assure that the comprehensive evaluation method constructed taking these three parts as main contents is scientific, efficient and feasible so that it can be employed to the evaluation of surgical practice quality of five-year clinical medical students.

第二部分：临床医学五年制外科实习质量评价数学模型的构建运用层次分析法，通过专家咨询，确定各评价要素权重；在确定权重的基础上，用模糊数学综合评判法建立数学模型，并对其进行验证，证明由这三部分为主要内容所构成的综合评价方法是科学、有效、可行的，可应用于临床医学五年制外科实习质量的评价。

The main lithofacies feature of East Part rockbody contains large plagioclase,while there locally exists little(or doesn\'t exist) plagioclase-bearing lherzolite in the West Part rockbody.

东段岩体以出现大量的含斜长石岩相为主要特征，西段岩体以不出现或只局部出现斜长二辉橄榄岩异离体与东段岩体相区别。

The main body of this thesis consists of two parts . In part one ,the author make a review of the domestic research of logic of Moism in recent twenty years .In this part ,the author probe into names ,diction ,inference ,debate ,logic laws ,the character and historical position of logic of Moism .

第一部分是对近二十年国内墨辩逻辑研究的回顾，主要是从名、辞、说、辩、逻辑规律和墨辩逻辑的性质和历史地位等六个方面加以探讨。

The main pollutants from this chemical plant is perchloroethane, pentachloroethane, hexachlorobutadiene and HCB, and such pollutants are present in the soil with high densities, some as high as 1%- 95%, of which the perchloroethane is near the purity of the corresponding product, and especially this part of the soil contains comparatively high-density persistent organic pollutant HCB, which makes it suitable to be disposed of together with other soils. Therefore it is suggest that this part of soil should be separately dug out and transported outside of the site.

化工厂的主要污染物质是六氯乙烷、五氯乙烷、六氯丁二烯和六氯苯，土壤中上述污染物的浓度非常高，有些达到1%至95%，其中六氯乙烷接近相应的产品的纯度，特别是这一部分含有较高浓度的持久性有机污染物六氯苯，不利于与其它土壤混合处理，建议将这一部分单独开挖出来并运出场外。

The assistant air inlet is not connected with the installing part, and the assistant air inlet is slantways connected with main air inlet at the upper part of the frame.

该辅助进气道与该装设部设置为不连通，且辅助进气道自该框体的上半部倾斜地连通该主进气道。

There are five parts in this article. Firstly, it introduces the theory of TETRA and the future. And it even describes the main significance of applying TETRA in metro dispatcher system. Secondly, by comparing, it summarizes the development of Trunked system in our country. Thirdly, the principle of TETRA system is described. The fourth part is the main point of this article.

论文内容为：第一部分是从TETRA集群通信理论和应用广阔前景出发，阐述了研究TETRA在地铁调度系统中应用的重大意义；第二部分从集群发展出发，比较并总结了集群通信系统的情况，以及我国在此领域的发展状况；第三部分系统概述了TETRA系统的工作原理等技术。

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。