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连续动力系统

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Based on the working condition of the tractor, a new type of electric tractor drive system which combines a motor and a gear, and the evaluation index and the calculation method for dynamic performance of electric tractor are suggested; taking an electric tractor drive system as design object, the balance graph of drive-resistance force, climbable gradient under different shifts, and continuous working time are calculation analyzed.

根据电动拖拉机作业特点,提出了一种电动机和变速箱相结合的电动拖拉机传动系统结构方案,并给出了电动拖拉机动力性能和经济性能评价指标以及电驱动系统主要参数的设计计算方法,以基于串励直流电动机的某型号小四轮电动拖拉机电驱动系统为设计实例,计算分析了该电动拖拉机的驱动力-行驶阻力平衡图、不同挡位下的爬坡度以及连续作业时间。

Based on wave function expansion method, the potential functions of scattered waves are expanded into Fourier-Bessel series; and a set of cylindrical coordinate systems is utilized in such a way that it allows to solve the problem of multiple scattering; the solution is determined by imposing continuity and equilibrium conditions at the soil-pile interfaces.

采用波函数展开法,将散射波的势函数展开成Fourier-Bessel级数的形式,利用一组可以求解多散射问题的圆柱坐标系统和桩土界面处位移连续的条件,以及刚性桩的动力平衡条件,得到问题的理论解。

In the numericalstudy, three-dimensional elastodynamics equations and Morison equation are applied tosimulate the time histories of dynamic response of submarine pipelines suspended over flatbeds sucessfully. The three-dimensional interaction of pipeline and internal flow isnumerically simulated by applying the iterative computation to the fluid-structure interfacesand using the elastodynamic equation and the incompressible fluid N-S equation andcontinuity equation.

在数值研究方面,本文利用三维弹性动力学方程,结合莫里森方程,较好地模拟了规则波浪作用下近壁悬跨弹性海底管线动力响应过程,结合不可压缩流体N-S方程和连续方程,进行管线及其内部流体的三维流固耦合数值计算,基于数值计算结果探讨内流管线系统的动力特性和管内流体特征。

This method employs the exponential pulse time series as input to excite CFD model, which can provide slick aerodynamic forces acting on the body through CFD simulation, Then discrete time aerodynamic models, defined among interesting range of frequency, can be trained based on the CFD input output relationship, those models can he implemented thereafter to simulate aerodynamic response for simple-harmonic input of displacement with suitable frequency.

该方法采用具有连续频谱分布且位移光滑的指数脉冲序列为CFD模型运动的输入,通过数值模拟得到作用在模型上的气动力。利用已知的输入和气动力建立起反映系统气动力特征的离散时间气动模型。

In addition, the VK45DE is outfitted with a variable length air induction system and Continuously Variable Valve Timing Control System to enhance the engine's power delivery and operation efficiency.

此外,VK45DE配备有一个可变长度的进气系统和连续可变气门控制系统提高发动机的动力和工作效率。

Causes the ordinary belt conveyer through the increase corner station to realize the great angle plane turning movement to have the vital significance, it not only has developed the ordinary belt conveyer application domain, may realize does not have the power continuously to reprint the transportation, enhances the use factor of the equipment, moreover the simplification of transportation system, reduces the equipment failure rate, enhances the reliability and the operation efficiency, also is the harbor, the station, the mine and so on other place great angle curve continuous haulages effective ways.

通过增加转角站使普通带式输送机实现大角度平面转弯运行具有重要的意义,它不仅拓展了普通带式输送机的应用领域,可以实现无动力连续转载运输,提高设备的利用率,而且简化运输系统,减少设备故障率,提高可靠性和运营经济性,也是港口、车站、矿场等其他场所大角度转弯连续运输的有效方式。

To guarantee the color not being contaminated, the automatic clean system was devised based on compressed air or negative pressure. To guarantee the continuity and stability of the supplyinking system, the automatic supplyinking system based on electromagnetic valve and liquid level switch was proposed. To guarantee the continuity and stability of the movement of printed head, velocity blending algorithm was proposed.

采用了基于负压空气为动力的自动清洗系统,以防止颜色不交叉污染;采用基于电磁阀与液位开关控制的自动供墨系统,保证了供墨的连续性和稳定性;采用基于速度矢量混合的加减速算法,保证了喷头移动的平稳和连续。

If the enterprise installation IS for the core competence, the interrelated element include culture, organization and distribution management and the aim of the management paradigm has been confirmed, and the"authority"has been confirmed too, then the resistance and motivity are a frame that to consider the sequence in the management changing based on IS.

若企业为了实现某核心竞争力而实施企业信息系统,相关要素包括文化、组织和销售管理,且已经确定了各管理模式的变革目标(在管理模式连续分布场中的位置)、相对核心竞争力的&权&重,那么&权&、关于变革的阻力和动力的力场分析和各管理模式之间的关系就是考虑基于信息系统的管理变革的一个完整框架,可以先按&权&重排队,然后考虑制约力和驱动力。

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推荐网络例句

Chrysanthemum of 10 thousand birthday is lax to edaphic requirement, with the arenaceous qualitative loam with fecund, good drainage had better.

万寿菊对土壤要求不严,以肥沃。排水良好的砂质壤土为好。

He unstepped the mast and furled the sail and tied it.

他拔下桅杆,把帆卷起,系住。

Therefore, positively advances the interest rate marketability reform is one of current our country finance reform important tasks.

因此,积极推进利率市场化改革是当前我国金融改革的重要任务之一。