主要动力

It can be materialized through two basic aspects, that is, learning motivation and learning behavior.

这一能力水平主要通过学生的学习动力、学习行为两个基本方面来体现。

Japan, a mature economy, has been hounded by a global recession that has pummelled exports, which had been its main driver of growth, and by an exodus of foreign investors.

作为一个成熟经济体，日本深受全球经济衰退的影响，其主要增长动力出口遭受重创，同时外国投资者大批撤离。

Fluid dynamics is the dynamic frame and background of hydrocarbon migration and accumulation,and is fundamental factor influencing migration and accumulation of hydrocarbon.

流体动力学构成了油气运聚成藏的动力学框架和背景[1]，通过开展以流体势和异常高压为主要内容的流体动力研究，有助于分析油气的运移、聚集和成藏作用。

In 1983, I left Merrill Lynch to start a consulting firm, Trading Behavior Dynamics, where I presently develop and conduct seminars on trading psychology and act in the capacity of what is commonly referred to as a trading coach.

我在 1983 年离开了美林公司并创建了一个叫&交易行为动力&的咨询公司，我设计并主持研讨会，主要是讲交易心理方面的内容，我当时扮演的角色就是交易教练。

And productivity and calculate the card bore and make the lathe up to design including processing the process picture of the part, processed sketch map, lathe to contact size picture and and the calculated card of productivity, named " three pictures and one calorie " that usually spoken are designed; Many axle case part is it include many axle case design primitive drawing, main shaft choice and power calculate, design of transmission and calculate, etc., structure of form that basis pursue mainly to design.

粗镗组合机床总体设计包括被加工零件工序图、加工示意图、机床联系尺寸图和生产率计算卡，即通常所说的&三图一卡&设计；主轴箱部件设计主要包括主轴箱设计原始依据图的绘制、主轴结构形式的选择及动力计算、传动系统的设计与计算等。

And productivityand calculate the card bore and make the lathe up to designincluding processing the process picture of the part, processedsketch map, lathe to contact size picture and and the calculatedcard of productivity, named " three pictures and one calorie " thatusually spoken are designed; Many axle case part is it include manyaxle case design primitive drawing, main shaft choice and powercalculate, design of transmission and calculate, etc., structure ofform that basis pursue mainly to design.

粗镗组合机床总体设计包括被加工零件工序图、加工示意图、机床联系尺寸图和生产率计算卡，即通常所说的&三图一卡&设计；主轴箱部件设计主要包括主轴箱设计原始依据图的绘制、主轴结构形式的选择及动力计算、传动系统的设计与计算等。

It produces mainly axle tube, leaf spring seat, gearbox output shaft, input shaft, flange, electronic fule sensors, electeical connectors ect., nearly 50 varieties. Now our company has guests such as China Heavy-truk, Shanxi Heavy truck, Chongqing Hongyan, Weichai Power, and some other heavy-duty vehicles and parts production enterprises.

公司目前主要产品为汽车半轴套管、平衡轴壳、变速箱主轴、输入轴、凸缘、法兰、电子式燃油传感器及汽车电器接插件等近50个品种，并长期为中国重汽、陕西重汽、重庆红岩、潍柴动力等重型汽车主机及部件生产企业提供配套产品及服务。

It produces mainly axle tube, leaf spring seat, gearbox output shaft, input shaft, flange, electronic fuel sensors, electeical connectors ect., nearly 50 varieties. Now our company has guests such as CNHTC,DFM DANA,Shac,SIH,Weichai Power, and some other heavy-duty vehicles and parts production enterprises.

公司目前主要产品为汽车半轴套管、平衡轴壳、变速箱主轴、输入轴、凸缘、法兰、电子式燃油传感器及汽车电器接插件等近50个品种，并长期为中国重汽、东风德纳、陕西重汽、重庆红岩、潍柴动力等重型汽车主机及部件生产企业提供配套产品及服务。

The forming dynamics factors are restricted mainly by border condition of bank and water dynamic water flow of river.

其形成动力学因素主要受岸带的边界条件和河流水动力条件的制约。

The article highlighted furnace cold dynamical test, the steady pressure pipe blowing ,.

重点介绍了锅炉冷态动力场试验、蒸汽稳压吹管、制粉系统调试、燃烧特性等试运的情况，以及设备存在的主要问题和改进建议。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。