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In this paper, based on fundamental topology theories, the concept of complete set is proposed and the closed ball model is constructed.

基于闭球模型可以直接推导出拓扑关系的完备集和概念邻域以及复合表。

It is easy to getcom Dlete set and concept neighborhood,and possible to derive composition table for topological relations based on closed ball model.

基于闭球模型可以直接推导出拓扑关系的完备集和概念邻域以及复合表。

PartⅣ: From the aspect of value chain, the author has analyzed and researched the tourism industrial cluster, set up the value chain model of tourism industrial cluster, and proposed the way to realize the value of tourism industry.

第四部分，从价值链的角度，对旅游产业集群进行分析研究，构建了旅游产业集群价值链模型，提出实现旅游产业价值的途径。

It is not only a quantity factor but non quantity factor at the same time to be considered, according to the validity of Taylor expansion formula which is nearby the expansion spot, then the author utilizes judging function of adaptive algorithm and dynamic cluster of the parameter to set up the cluster prediction model of the price of financial assets.

考虑了数量化的因素同时也考虑了非数量化的因素，依据泰勒展开公式在展开点附近的有效性，利用参数自适应算法和动态聚类的判断作用建立了金融资产价格的聚类预测模型。

According to the theory of similarity, a physical simulation experimental research on the deck barge cargo compartment coaming movable gate through sand load has been carried out in this paper, and a physical simulation experimental model is set up.

根据相似理论，用沙子加载对甲板驳货舱围板活动门进行了相似模拟实验研究。

Meanwhile, confirm the weight coefficient through domain decomposition method, analytic hierarchy process, sequence for importance and fuzzy-subset inference method, so as to set up weight coefficient computing model.

并采用直接给出法、层次分析法、重要性排序法和模糊子集法确定权重系数值，建立权重系数计算模型。

A set of physical model tests were made here and a calculation method considering resistance coefficient of pile group was applied in the numerical simulation of piled wharf through analysis and research.

因此，本研究采用局部物理模型试验，通过分析研究，提出在桩式码头数学模型计算中，考虑阻力系数的计算方法。

A model of the impact between the bit and the wall of well is set up. The impact is simplified as an impact of two cylinders. According to the coefficient of restitution obtained from experiment and the speed of the bit before impact, the speed of the bit after impact and the impacting force can be worked out.

通过建立钻头与井壁的碰撞模型，将碰撞简化为两个圆柱筒之间的碰撞，利用冲量定理和实验方法获得的钻头与井壁碰撞时的恢复系数及钻头碰撞前的速度，可计算出钻头与岩石碰撞后的速度和碰撞时产生的碰撞力。

The old idea of there being one true way to install a system was popular ten or more years back. You had to buy just the right stands, place your speakers just so with a particular cable connecting them to the amp, put your turntable on a specific model of mass-market coffee-table and so on. Oh and not have a telephone, let alone a TV set, in the same room.

器材制造企业能够不停地推出值得我们期待的产品，但是这些产品的测试工作只是在特定的环境中进行的，因此生厂商会推荐我们比较通用的"安全"设置方法，这些方法确实值得我们记住并应用但是它并不是约束我们的强制性的规则。

The model of this collimator set on the ray trace theory. The designing and optimization way are created.

通过该方法设计的准直系统，在实际应用中达到了与传统非球面柱面镜相同的准直效果。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。