查询词典 main part

The second part will introduce the financial norm which the Buffett's finance analysis method pays more attention to, including the index of free cash flow, the rights and interests return rate and the profit margin of main service and so on, introducing the concept of these norms and their importance and function in the Buffett's finance analysis metho...

提出了巴菲特财务分析指标在我国A股市场上运用时应该以现金流量指标为主，权益收益率和主营业务利润率为辅的财务分析方法。根据我国股票市场的现状，对巴菲特财务分析方法在未来的运用提出了在这个多元投资文化的交汇期，巴菲特的财务分析方法将更加表现出它的实用性和科学性的展望。

The main body includes five parts:Part one introduces the come being of Marcus Garvey's black nationalism from aspects of early experience, other leaders' influence and his practice.

正文共分五部分：第一部分：从前期经历、前人的影响和自身的实践三个角度探寻加维的黑人民族主义思想的形成。

The design of the device using NC Lathe CA6140 control, part of the main transmission system using AC spindle motor and graded by the pulley driven spindle gearbox, through the inverter and gearbox to achieve sub; Feed System used by stepper motor driven ball screw slowdown after campaign vertical feed system through a gear after the ball screw drive, in the horizontal feed system through two gear-driven ball screw; Tool to automatically transfer tool carrier (4-position), thus achieving automatic tool change; by MCS-51 series 8051 data to be dealt with. from the I / O interface stepper pulse output signal to control the feed rate and itineraries; In order to maintain the function of cutting thread, to the outer end of spindle or other appropriate location loaded pulse generator; Lathe will be transformed into Tailstock manually controlled electric Tailstock.

本设计利用数控装置对CA6140普通车床进行控制，主传动系统部分采用交流调频主轴电动机经带轮及分级齿轮变速箱驱动主轴，通过变频器和齿轮变速箱实现分段无级变速；进给系统采用步进电机通过减速后驱动滚珠丝杠运动，在纵向进给系统中通过一级齿轮减速后驱动滚珠丝杠，在横向进给系统中通过二级齿轮减速驱动滚珠丝杠；刀架改为自动转位刀架从而实现自动换刀；通过MCS-51系列8051单片机对数据进行计算处理，由I/O接口输出步进脉冲信号控制进给速度和行程；为了保持切削螺纹的功能，要在主轴外端或其它适当部位装上脉冲发生器；将车床的手动尾座改造成为可控电动尾座。

The design of the device using NC Lathe CA6240 control, part of the main transmission system using AC spindle motor and graded by the pulley driven spindle gearbox, through the inverter and gearbox to achieve sub; Feed System used by stepper motor driven ball screw slowdown after campaign vertical feed system through a gear after the ball screw drive, in the horizontal feed system through two gear-driven ball screw; Tool to automatically transfer tool carrier (4-position), thus achieving automatic tool change; by MCS-51 series 8051 data to be dealt with.

本设计利用数控装置对CA6240普通车床进行控制，主传动系统部分采用交流调频主轴电动机经带轮及分级齿轮变速箱驱动主轴，通过变频器和齿轮变速箱实现分段无级变速；进给系统采用步进电机通过减速后驱动滚珠丝杠运动，在纵向进给系统中通过一级齿轮减速后驱动滚珠丝杠，在横向进给系统中通过二级齿轮减速驱动滚珠丝杠；刀架改为自动转位刀架从而实现自动换刀；通过MCS-51系列8051单片机对数据进行计算处理，由I/O接口输出步进脉冲信号控制进给速度和行程；为了保持切削螺纹的功能，要在主轴外端或其它适当部位装上脉冲发生器；将车床的手动尾座改造成为可控电动尾座。

Part Five is a brief generalization of the main content of the thesis.

第五部分是对整篇论文的结论和延伸。

Moreover, this part also pointsout the main value and vision of geographer's study on industrial clusters.

这部分还重点分析了地理学对产业集群研究的意义和主要的研究视角，成为本文研究的主要依托。

It and the main phase of the ring current non-axisymmetric part of the combined effect of the geomagnetic field is the DS.

它和主相环电流的非轴对称部分的地磁效应合在一起就是DS场。

The second part reflects the main characters of the geomancy by the development of geomancy.

第二部分主要从风水术的整个发展过程来讨论了唐五代宋初时期风水术在理论上和形式上成熟和完善的主要特点。

As to the decision to focus on West-German cities only, there are two main reasons to exclude East-German cities, that is to say cities that were part of the German Democratic Republic.

有两个原因让我们排出东德城市仅仅将西德作为研究对象，也就是说我们研究的仅仅是德国民主共和国的一部分。

Grassland culture is one of the main sources and important part of Chinese culture.

草原文化既是中华文化的主源之一，又是中华文化的重要组成部分。

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。