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In this paper the topological structure of multi-body system and their low-order body arrays, and basic concepts of characteristic matrixes and their composing methods are presented, basic rules of having-error kinematics of multi-body system are analyzed
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摘要本文阐述了多体系统的拓扑结构和低序体阵列，其特征矩阵的基本概念和构建方法，分析了多体系统误差运动的基本规律，结合891E型齿轮测量中心研究了根据特征矩阵得到其空间几何误差的算法，为齿轮测量中心精度分析和几何误差提供了一种理想的建模方法。 |
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In this paper the water sample was digested in a high pressure disinfector and COD was determined by spectrophotometry. This method has some trait of rapidness, convenience and high accuracy.
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摘要本文研究了用高压消毒锅重铬酸钾法消解环境水样，用分光光度计测定COD，本法具有快速、简便、准确度高的特点，有良好的精密度。 |
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In this paper the water-saving and drought-resistance agricultural technology was mainly recommended and the negative effect of modern scientific and technological revolution on it was analyzed, and its breakthrough in agriculture in future was analyzed.
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介绍了一些节水抗旱技术在农业中的应用，并分析了现代科技革命在节水抗旱应用过程中所带来的负面影响及今后节水抗旱农业中应突破的难点。 |
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In this paper the work is reviewed and summarized to further demonstrating the significance of planning and designing on the controlling of project cost in mass transit contraction.
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本文旨在对此进行回顾和总结，并籍此进一步说明规划设计对轨道交通工程造价控制的意义。 |
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In this paper ultrasonic model of missile engine composite structure is set up and the optimal time window is selected to model, at last it can detect deep flaw in composite structure with the technology of wavelet-spectrum successfully.
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通过系统响应的角度，对导弹发动机部位复合结构材料的超声信号进行建模，利用最优时间段截取分析建模，采用小波谱分析技术对导弹深层缺陷进行成功的识别。 |
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In this paper we advised to consider the energy saving of lighting system from three different lay, that's the designing, running management and control technology of lighting system., make good use of new concept, new products and new technology, and tap
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该文有针对性地提出了从照明系统的设计、运行管理和控制技术三个不同层面来综合考虑照明系统的节能，充分发挥新思维、新产品和新技术的重要作用，挖掘照明系统的节能潜力，最大限度地实现照明系统的节能。 |
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In this paper we apply the bar code technology of commodity circulation management in milch cow individual distinction, transform equal wide two colousrs bar codeon its hack to system number through digital image analysis, form the relation of the databas
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摘要本研究内容是把物流管理中的条形码技术应用到奶牛的个体识别上，通过图像识别技术把涂制在奶牛背部的“等宽双色条码”转换为系统的内部编号，再通过数据库与奶牛的实际编号相关联，结合其它的管理模块来实现奶牛场的信息化管理。 |
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In this paper we define the concept of order non-expansive operator, and investigate the fixed point existence problem, obtained some fixed point theorems.
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摘要引入了序非扩张算子的概念，并研究了这种算子不动点的存在问题，得到了几个不动点定理。 |
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In this paper we discuss the three-dimensional quasi-static problems by using the magneto thermo elasticity theory, which is related to geotherm: the situations of the heat-carrying fluid intruding into the vertical or horizontal cracks, and the case of s
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摘要以磁热弹性理论为工具，讨论与地热有关的三维准静态问题：载热流体侵入竖直或水平裂隙的情况和存在静态局部高温区的情况。 |
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In this paper we gave a condition of sacffition on the monotonically normal space whichis acyclic monotonically normal space.
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摘要本文给出了单调正规空间是非循环单调正规的一个充分条件。一般化了已有的相应结果。 |
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In this paper we have discussed in detail overall design of rotary type cracking-off machine, including comparison with the same kind of overseas equipment, arrangement of gross structure and determination of key technology.
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摘要论述了半自动9工位回转式爆口机的总体方案设计，包括与国外同类设备的比较、总体结构的安排，以及技术关键的确定。 |
