选用

According to the call for designing that originally time, function and call for having set forth automobile change gear, have joined a contrast various change gear scheme , the method having explained main parametric change gear ascertaining that , the method the gear wheel and various axis design being calculated and proofreading standard pieces such as process, and axle bearing's to select and use method and synchronism implement selecting and using.

根据本次设计的要求，阐述了汽车变速器的功用和要求，并对比了变速器的各种方案，说明了变速器的主要参数的确定方法，齿轮和各种轴的设计计算和校核过程，以及轴承等标准件的选用方法和同步器的选用方法。

According to the geological property of the research area, we apply sequence indicator simulation method if the reservoir type is discrete variable. Sequence Gauss simulation method is used if the type of reservoir property is continuous variable. Structural model (single well model, fault model and bedding model) and property model are built. The 3D distributions of reservoir parameters are established based on structural model. Three advantage oil distribution of the oil field are pointed out through overlap of the reservoir parameters distributions.

根据研究区的地质特征，建模过程中的储层类型属于离散变量，选用序贯指示模拟方法；储层参数属于连续变量，则选用序贯高斯模拟方法，对储层分别实现构造建模(单井模型、断层模型和层面模型)和属性建模，在构造模型的基础上建立储层参数的三维分布，通过储层参数的分布的叠合研究，在该油田指明了三个有利油气分布区块

The results indicate that it is feasible to employ bucket wheel excavator for coal mining based on the cutting force analysis.

结果表明，采煤选用轮斗挖掘机从切割力角度分析在技术上是可行的；剥离选用轮斗挖掘机从切割力角度分析难度大于采煤，无法实现全年连续作业。

Such as the 12mm plate butt welded flat bottom closure φ3.2mm the electrode selection, welding current :80-85A, filling, cover the surface layer of the electrode selection φ4.0mm, welding current :165-175A, a reasonable choice welding current and electrode diameter, easy to control bath temperature, is the basis for forming weld.

如12mm平板对接平焊的封底层选用φ3.2mm的焊条，焊接电流：80-85A，填充，盖面层选用φ4.0mm的焊条，焊接电流：165-175A，合理选择焊接电流与焊条直径，易于控制熔池温度，是焊缝成形的基础。

After exposure to the carbon arc lamp, the PBO fiber strength reduces. However, the paragliding cord made by the core materials are made of 4 ply PBO fibers and the cover material are made out of 8 ply HDPET fibers is the best strength.

PBO纤维经碳弧光连续照射后其断裂拉伸强力有明显下降，因此选用高强力聚酯纤维作为编织飞行伞伞绳的包覆材，同时选用PBO纤维作为芯材。

Xinhuanet news first election materials paving materials should be chosen tiles, wall should use the Youmianzhuan facilitate cleaning, the wood cabinets with side panels applied to fire both easy cleaning can guarantee security; Cooking stove or use marble stone cloud to be able to fire better.

新华网消息第一步选材料铺地材料应选用防滑地砖，墙面应选用方便清理的釉面砖，木质的橱柜应用防火板贴面，既易清洁又可保安全；烹饪灶台应用大理石或云石板，以能防火为佳。

U.S. raw materials, strict selection of international brands - New Zealand Angaur butter cream, whipped cream love the United States, Belgium Becquerels pull chocolate, sugar, Korea and so on, and select high-quality Chinese eggs flour and other accessories, and ensuring product quality and pure taste.

我们的原料，严格选用国际知名品牌--新西兰安佳黄油奶油，美国爱护植脂奶油，比利时贝可拉巧克力，韩国砂糖等，并选用中国优质的鸡蛋面粉和其他辅料，保证了产品的品质和纯正口味。

Consider of the index request of the design, we choose the platinum electric resistance pt100 conduct as the temperature sensor, the four an integral calculuses type A/ D convertor ICL7135, the many road imitates switch CD4051 to realize 2 points temperature collection.,4 LED figures tubes indicate that every point temperature value.

根据设计指标的要求我们选择了铂电阻 pt100作为温度传感器，选用四位半的双积分型 A/D 转换器 ICL7135，采用多路模拟开关 CD4051实现两点温度采集，选用4位 led 数码管显示每一点的测量温度值。

The choose of high efficiency fluorescent materials , the use of the multi-layer structure of exciton confinement and the cathode and anode interface modification have been proved to be the most effective way to improve the device characteristics.

选用选用高荧光效率的材料，激子限域的多层结构及采用阴极和阳极的界面修饰等，已被证明是改善器件效率的有效方法。

Select the die-cutting machine bearing in mind that is suitable for printing production, die-cutting with a thick sheets can choose to use flat-bed die, die-cutting thin paper you can choose to use rotary die-cutting machine.

选择模切机要注意适合印品的加工要求，模切较厚的纸张时可以选用平台式模切机，模切较薄的纸张则可以选用轮转模切机。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐