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The main heat-proof and temperature-preserving covers are Silurian and Ordovician argillite of Gaozaitian Formation and Meitan Formation.The main thermal reservoir layer is Cambrian carbonate rock of Loushanguan Group.The aquatic chemistry of the hot ground water and drilling data indicate that the reservoir depth ranges from 1300 to 2500m and the geothermal gradient from 2.44 to 2.84℃/100 m. It is pointed out that there may exist another geothermal field in the plunging part of the east limb of Wudang Anticline.Some suggestions are made about the development and protection of the geothermal field.

其主要隔热保温盖层为志留系高寨田群(S1g)和奥陶系湄潭组(01m)泥页岩，主要热储层为寒武娄山关群(∈2-3ls)碳酸盐岩，根据地下热水水质化学成份特征及钻探资料，其深度为1300-2500 m，地温梯度2.44-2.84℃/100 m；指出乌当背斜东翼倾伏端有另一地热田存在可能性；以及对地热田研究开发、保护的意见。

Introduces a type of screw sump cleaning machine used in coal mine, main discusses about composing structure specialty, work principle, technics flow, electric control system, suit work conditions, main specialty and using this machine for attainability purpose.

介绍了一种用于煤矿井下水仓清理的螺旋水仓清理机，重点论述了螺旋水仓清理机的结构组成特点、作原理、艺流程、气控制系统，适应工作条件，主要特点，以及采用该机可达到的目的。

The ratios of components especially two main components Ⅰ and Ⅱ varied significantly among different generations, and displayed similar law as that of titer. The ratio of two main components was close to the ratio of commercial attractant source in China or aboard, but that of the third and fourth generations were significantly different.

各组分的比例特别是两主要组分Ⅰ、Ⅱ的比例不同代间差异显著，差异性规律与滴度变异规律相同，一、二代两主要组分的比例接近与目前国内外商品化诱芯的配比，而三、四代的比例则差异显著。

The automorphic, hypidiomorphic and xenomorphic granular textures are the main ore textures and vein and disseminated structures are the main ore structure.

矿石多具白形、半自形、他形粒状结构，以脉状、浸染状构造为主。

The automorphic, hypidiomorphic and xenomorphic granular textures are the main ore textures, and vein and disseminated structures are the main ore structure.

矿石多具自形、半自形、他形粒状结构，以脉状、浸染状构造为主。

The key part of light alarm circuit of the system is the flashing tube and the life level of the main charge and discharge capacitance. Thus ,in this design, adopted autotransformer step-up type, two-level filter and double flashing tube, in order to light the burden of the main charge and discharge capacitance, reduce the heat productivity and extend the life level of the capacitance.

在系统的光报警电路中关键部件是频闪管和主充放电容的寿命，因此在电路设计中采用自耦变压器升压方式和双级滤波、双频闪管等独特的电路结构，减轻主充放电容的负担，减少发热量，延长电容使用寿命。

The micro vehicle rear axle of car main gear box noise question became the worker matter of concern. In this paper, the micro vehicle rear axle of car main gear box noise performance present situation and the traditional assessment method are discussed, and the general BP neural network and the Levenberg-Marguardt algorithm are introduced in detail. Improves the BP neural network using the LM algorithm, at present is trains the neural network the quickest algorithm.

微车后桥主减速器噪声问题成为工作者所关注的问题，本文介绍了后桥主减速器噪声性能现状及传统评价方法，阐述了BP神经网络的一般算法，并详细介绍了Levenberg-Marguardt算法，利用LM算法来改进BP神经网络，目前是训练神经网络的最快算法。

The position system by back bearings of main shaft is adopted to prevent vibration caused by spline and ensures current of main motor stable and extends service life of rollers and dies.

采用主轴后轴承定位系统，避免主轴花键间隙造成晃动，制粒机主机电流平稳，延长压模压辊使用寿命。

According to the model, the deflection and main pre-brace parameters are illustrated with the Jinsong station of the tenth line in Beijing. It demonstrates that the curve shape of theoretical result, computing result and the on-set measure result are uniform in the main and the change law is similar; that the circumferential space of pipe-roof has a optimum value while satisfying the pre-brace function; that the relation between diameter of steel pipe and flexibility of barrel vault meets negative exponential function. And the diameter of steel pipe has a optimum value.

依据该模型，以北京地铁10号线劲松车站管棚支护为例，着重对管棚的挠度和主要支护参数进行的分析表明：理论结果与计算结果和现场量测结果的曲线形状基本相同，变化规律相似；在满足预支护作用的同时，存在相对较优的管棚环向间距；钢管直径与管棚挠度之间符合负指数函数关系，管径存在最佳值。

BaSan Jade is a kind of new jade, which has been appeared in China in recent years. It's main mineral is jadeite with some amphibole and pyroxene. The main character of texture under microscope is granular blastic texture. The color of it is similar with jadeite jade very much, but they are different of essence.

八三玉是我国近年出现的一种新品玉石：主要成分是硬玉，其次有少量辉石族矿物和闪石族矿物；显微结构以粒状镶嵌变晶结构为主；颜色与翡翠十分相似，而实质上又有差异。

A fat lot of use that is!

那已是一点点用处都没有了！

The young Argentine, was sent-off by him on the occasion of his international debut for an elbowing incident.

这个年轻的阿根廷人在他的第一次国际比赛时因为在一个肘击被默克裁判罚下。