研究了主型的有关性质，证明了一个素模型存在的充分必要条件。
A necessary and sufficient condition of the existence of prime model is proved.
C70货车是中国的主型铁路货车，其轮—轴失效关系到铁路运输安全。
C70 type freight car is a main kind of operational freight car in China.
A型流感病毒在温血动物中广泛存在，也是目前导致人类和各种动物流感疾病的主型。
Influenza a virus exists in almost all of homothermal animals and is the prime type leading to infection in humans and animals.
东风11型机车作为提速的主型机车也加装了双管供风系统，并对在段的该型机车进行了相应的改造。
Dual pipe air supply systems were also added in DF 11 locomotives as a main speed up locomotive, and the relevant renewal of this type at depots were conducted.
对我国铁路集装箱运输应采用的主要方式、车辆种类和主型车辆进行了探讨，提出了相应的观点和建议。
Discussed are the main modes, car kinds and main types of cars which should be applied in the railway container transport in our country. The related point of views and Suggestions are given.
服务集合是一种行为，商业实体能够在其中与各种服务提供者相互影响，重新树立品牌、充当东道主，或者为顾客提供复合型服务。
Service Aggregation is an activity where a business entity interacts with a variety of service providers to re-brand, host, or offer a composite of services to its customers.
随着您将新的可见性引入到操作型系统中，主数据管理对于解决方案而言极其重要。
Master data management is extremely important to solutions as you introduce new visibility into your operational systems.
我们这些小陶牛的墓主被长眠着一座椭圆型的土坑里。
The owner of our four clay cows would have been laid in an oval pit.
《洛杉矶时报》博主susanCarpenter写道，将如此大的马力塞入这么小的引擎的关键在于组合型小型电动机控制器和高能量密度的锂离子电池。
Los Angeles Times blogger Susan Carpenter writes that the key to packing in so much power as being a combination of small motor controller and energy-dense lithium-ion battery cells.
该产品主险责任涵盖由甲型流感导致的身故和医疗费，保额最高达15万元人民币，保费则根据客户选择的保额档次从几十元到几百元。
The premium of the insurance, which is the first of its kind in China, varies from dozens to hundreds of yuan, and the maximum coverage is up to RMB150000.
一家致力于紧凑型笔记本的博客，其博主BradLinder说，除了CULV笔记本外，上网本还激发了创造其他类型设备的灵感。
In addition to CULV notebooks, netbooks are inspiring other product types as well, said Brad Linder, owner of Liliputing, a blog devoted to compact notebooks.
协作体系的动力特性主要包括体系的自振频率和主振型，它是协作体系结构动力分析的基础和前提。
Dynamic characteristics of collaborated system mainly include natural vibration frequency and principal mode, which is the base and precondition of dynamic analysis for collaborated system.
箱型结构的主梁，内腔无法涂漆防锈蚀，为了防止水汽侵入腐蚀主梁内腔，必须保住主梁内腔的密封性。
The box type structure, cavity cannot antirust paint corrosion, in order to prevent moisture intrusion corrosion beam cavity, sealing the inner cavity of the main girder must keep.
利用多元分析法对49个二棱型啤酒大麦育种材料的7个主要性状指标进行了主成份分析与聚类分析。
By means of multielement analysis, 7 character indexes of 49 breeding material had been made by a main composition and cluster analysis in malting barley.
丛林小房的U型主房间用玻璃搭建，这里为客人提供了无论是睡觉，吃饭还是休息时，几厘米外就是非洲游猎才能见到的景象的难得机会。
Thee main room in the Jungle Bungalow is a glass U-shaped which allows guests the unique opportunity to sleep, eat, and relax just centimetres from your very own African safari.
介绍了一种套筒型补偿器———自平衡补偿器，它可用在热力管网中消除主固定支架的盲板力。
Describes a sleeve type compensator-the self balancing compensator, which can be used in heating networks to eliminate the blind flange force on primary fixing trestles.
在主翼片的上方开出了一个“V”型的切口用以产生涡流，为流过赛车中央部分下方的气流增加动力。
The 'V' cut in the main flap (top arrow) creates a kind of vortex, which energises the airflow under the car's central section.
其目的是当熔化金属凝固和收缩时往型腔里补充熔化金属，从而防止在主铸件中产生孔隙。
The purpose of this is to feed the molten metal to the mold cavity as the molten metal solidifies and shrinks, and thereby prevents voids in the main casting.
主换热器是汉普逊型螺纹管换热器。
赵力：敦煌壁画的早期窟型是中心塔柱式的，有一个主像，周围是连续变化的壁画。
Zhao Li: The early form of Dunhuang fresco is of central tower style with a major character surrounded by continuous variations of murals.
下水前测量船体主尺度：总长、两柱间长、型宽、型深、基线挠度。
Measuring hull's main dimensions: length overall(LOA. ), length between perpendiculars(LPP. ), breath molded(B. ), depth molded(D. ) and deflection before launching.
分析了主共振的振型、最大振幅、稳定性和振幅突变性。
The shapes, maximum amplitude, stability and amplitude jump of main resonance are analyzed.
指出传力杆模型对模态频率和主振型有直接影响，动力分析中应当考虑接缝的剪力传递和弯矩传递。
The transfer of shearing and moment must be considered in dynamic analysis because the model of dowel bar affects the modal frequency and modal shape directly.
讨论岭型主成分估计在一类降维估计中的方差性质，证明了它的方差和在这类降维估计中最小。
This paper deals with the variance property of combining ridge and principal components estimate in the class of reduced-dimension estimates.
采用传递矩阵建模方法对C5235A型立式车床主传动系统进行了动态分析，找出了设计的薄弱环节，并提出了改进措施．。
The dynamic behaviour of C5235A spindle gearing is analyzed by using transfer matrix model. Some design weaknesses of spindle gearing are revealed and suggestions are made for improvement.
建立了该钻机井架与钻台结合体固有振动特性理论分析的有限元模型并给出了其固有振动频率结果和相应的主振型。
The finite model of the derrick and drilling platform connecting unit is built and the natural vibration frequency and the corresponding vibration mode of it are given here.
建立了该钻机井架与钻台结合体固有振动特性理论分析的有限元模型并给出了其固有振动频率结果和相应的主振型。
The finite model of the derrick and drilling platform connecting unit is built and the natural vibration frequency and the corresponding vibration mode of it are given here.
应用推荐