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The paper studies fault diagnosis technology based on fruticose gas pipe network which is universal in small towns,and gives a particular description of domestic and foreign gas pipe network fault diagnosis technique based on hardware and software currently. The author uses graph theory to build up hydraulic analysis model of natural gas network and presents its solution methods. Besides, the author works out the relation between gas pipe pressure and flux in unsteady condition of fluid flow according to pressure boundary condition and differential equation group, and puts forward fault diagnosis methods and steps of the fruticose natural gas pipe network of middle pressure based on the simplification of this relation.

本文针对小城镇比较普遍的枝状天然气分配管网进行故障诊断技术研究，详细叙述了目前国内外基于硬件和软件的燃气管网故障诊断技术，利用图论理论建立了天然气管网水力分析模型并叙述了其求解方法，根据燃气管内流动的微分方程组和压力边界条件求解出非稳定流动时燃气管道压力和流量的关系，并在对此关系进行简化的基础上提出了基于中压枝状天然气管网的故障诊断方法和步骤。

The extraction condition of gardenia pigment from gardenin fruit and dyeing condition of wool fiber were defined.

优选了栀子色素的提取条件和提取液对羊毛纤维的染色条件。

The model parameters include boundary condition, initial condition, hydrological and geomorphological parameters and the other parameter for controlling the model simulation process.

在不规则无结构网格中，在洪水模拟计算时要用到的网格与边的关系、网格与结点的关系及边与结点的关系必须建立；④模型参数的确定。

Spatial distribution characteristics of dolomite sandification in the research area is inducted. Macroscopic mechanism of dolomite sandification is deeply studied. The effect of dolomite sandification to lithologic association, geological structure condition, hydrodynamic conditions of groundwater, hydrochemistry condition and so on is systematically analysed.

对研究区白云岩砂化的空间分布特征进行了归纳，并深入探讨了白云岩砂化的宏观机理，系统的分析了岩性组合、地质构造条件、地下水动力条件、水化学条件等对白云岩砂化的影响。

The trend of seawater is that the intrusion area varies as following rule: small to big to small to big, and the causation of seawater intrusion is the appropriate hydrodynamic and hydrogeological condition, and the main reason is that human activities change the groundwater hydrodynamical condition.

海水入侵的趋势为：海水入侵面积有小；大→小→大的变化规律：海水入侵的成因是具有了水动力条件和水文地质条件，而人为的改变地下水动力条件是发生海水入侵的主要原因。

Many difficulties exist in tunnel construction due to the effect of engineering geological condition and hydrogeological condition.

由于工程地质条件及水文地质条件等因素的影响，滑坡段隧道建设存在诸多困难。

The freedom of education is the sustentive condition of educative power, because freedom and power are interdependent; educational community is the hylomorphic condition of educative power, because they are of identical construct so that educative power doesn't live in without education community.

教育自由是教育权力存在的支撑性条件，因自由与权力的相互界定性而规定了教育权力与教育自由的相互依存；教育共同体是教育权力存在的构成性条件，因权力与公共生活的同构性而决定了教育权力无法脱离教育共同体而存在。

There is a condition called immotile cilia syndrome (or Kartagener's syndrome) found in some Bichons that is thought to be an autoimmune condition that causes the dogs to have multiple symptoms.

有一种新的情形被叫做非游离性纤毛综合病症（或Kartagene综合病症）被发现于比雄体内，它被认为是由一种自体免疫条件造成犬类患上多种病症。

It is a conclused that under the natural or earthquake only condition,water impounding only condition, the engineering rock mass is stable,under the conditions when the elevation of impounder water reaching 540～600m and at the same time the earthquake intensity being Ⅷ,it is unstable.

认为该工程岩体在天然或有蓄水的情况下是稳定的；在天然与地震共同作用下，它也是稳定的；在有540～600 m蓄水位及地震时，它将有可能发生破坏；在610 m蓄水位及地震烈度为Ⅷ度的情况下，它也是稳定的。

In the condition that fault infeed from both terminal is given, the fault point can be found out according to the boundary condition of fault point.

在已知线路任意点的左右侧注入电流的情况下，可以根据故障点边界条件搜索出故障点。

In contrast to the ubiquitous rising-sun-with-rays military flag of the Japanese, Chinese banners and ensigns feature a range of designs.

与遍地都是的太阳军旗不同，中国人的旗帜和徽章设计得各式各样。

From their small corner of Feng's Guangzhou headquarters -- a jumble of pink leashes, squeezable rubber steaks, and plastic doggy Santas for Fido's stocking -- Soleil's designers come up with at least five new products a month.

从Feng 设在广州总部的产品展示柜台上可以看到，Soleil的设计师每月至少设计出5件新产品。