查询词典 cycle method

Considering of helical gear separate mesh and tooth-back shock, the non-linear vibration equitions of the system are also established, and the non-linear stable cycle solutions of the equitions are evaluated through dividing the timechanging stiffness matrics and dimension the equitions with selfadapt vary-step auto-RK4 numerical method.

考虑了斜齿轮传动的轮齿脱啮和齿后侧冲击，建立了系统的非线性振动方程，并通过对方程时变刚度阵的分块处理及无量刚化，用自适应变步长auto-RK4数值方法求出了系统非线性振动方程的稳态周期解。

The traditional measurement methods such as stereoscopic law, Molls stripe law, grating cubic chart law and so on need expensive equipment and well-trained special technical staff, and they have long measurement cycle and low measurement efficiency. These shortcomings make the traditional contact measurement method hinder its wide application.

传统的自由曲面主要采用接触式测量方法，如体视法、莫尔条纹法、光栅立体图法等，这些方法需要昂贵的仪器设备和训练有素的专门技术人员，而且测量周期长、效率低，这些缺点使得传统的接触式测量方法的发展受到了限制。

The traditional measure methods such as stereoscopic law, Molls stripe law, grating cubic chart law etc. need expensive equipment and well-trained special technical staff, and long measuring cycle, low measuring efficiency, these shortcomings make the traditional contact-type measurement method hinder the wide application that is measured.

传统的测量方法如体视法、莫尔条纹法、光栅立体图法等需要昂贵的仪器设备和训练有素的专门技术人员，而且测量周期长、效率低，这些缺点使得传统的测量方法阻碍了自由曲面测量的广泛应用。

Methods MSCs were obtained from tibias by density gradient centrifugation and were tested the rate of adhesion. The configuration was observed under phase-contrast microscope consecutively and the cell growth was measured by MTT method. Cell cycle and surface antigens were detected through flow cytometer.

测定其接种贴壁率，在倒置显微镜下连续观察细胞的形态变化，利用甲基噻唑基四唑（methyl thiazdyl tetrazolium， MTT）法测定 MSCs 生长曲线，并应用流式细胞术测定细胞表面标记物。

The research of this article takes strategic management theory and industrial life cycle theory as a foundation, follows the basic order of strategic management in the research process, which is the strategic analysis, the strategic choice, the strategic implementation. Considering the present situation of Heilongjiang telecom industry, through the analysis of general environment which HMCC is in and the analysis of SWOP, this article has determined the basic goal, the implementation pattern and method of HMCC strategic change, as well as the matters requiring more attention in the implementation process.

本文的研究以战略管理理论和产业生命周期理论为基础，在研究过程中遵循战略管理的基本顺序：战略分析-战略选择-战略实施，结合黑龙江通信行业的现状，通过对黑龙江移动公司所处的宏观环境分析、SWOT的分析，确定了移动公司转型战略的基本目标、实施的模式和方法，以及实施过程中的注意事项。

However, the result of this evaluation method is a total fuel consumption of the whole process of the driving cycle, which can not reveal more detailed configuration of different hybrid buses in the oil-saving potential and can not be used to guide the design of hybrid buses.

然而，这种评价方法得出的是一个行驶循环的过程总油耗，不能更细化地揭示不同配置的混合动力城市客车在不同工况下的节油潜力，也不能用于指导客车设计。

According to the appointed carrier mission and setting the pay load of the space transportation craft as objective function, energy characteristic model, mass model and orbit model of the hydrogen-oxygen FFSC (Full Flow Staged-Combustion Cycle) were established, and the numerical method was used to optimize the performance parameters.

根据给定的运载任务，建立了氢氧全流量补燃循环发动机的能量特性模型、运载器质量模型和轨道模型，以运载器有效载荷为目标函数，利用枚举法进行了发动机性能参数的优化研究。

How to analyze the cyclic fluctuation of urban traffic flow theoretically, and how to determinate the cycle of urban traffic flow, those are the problems to be solved. In this paper, a study on long_term dependence of urban traffic flow based on rescaled range analysis is presented. The method is introduced,the analysis results of a case study on time_s...

论文提出用R/S分析交通流的长程相关性来研究这一问题，介绍了该方法的原理，给出了一组实际交通流时间序列的实证分析结果，从计算出的Hurst指数求出了该交通流时间序列的变化周期，讨论了有益的结论。

This research adopts the impedance marching method, by varying duty cycle in a DC-DC converter to make the apparent load impedance matching with current system impedance, and reach the mpp operation.

控制电路的部分由单晶片PIC18F452为中心，重点为如何有效的取得太阳电池的开路电压及短路电流，以便正确计算出太阳电池的内部阻抗。

This research improves the impedance marching method, by varying duty cycle in a DC-DC converter to make the apparent load impedance matching with current system impedance, and reach the mpp operation.

本论文是改善阻抗匹配法，使其在不同照度下皆能准确做最大功率点追踪，并且应用阻抗匹配法在实际的太阳光能发电系统，经由调整DC-DC转换器中的主动开关之责任周期来达到负载与太阳能板的匹配，达成最大功率传输。

As she looked at Warrington's manly face, and dark, melancholy eyes, she had settled in her mind that he must have been the victim of an unhappy attachment.

每逢看到沃林顿那刚毅的脸，那乌黑、忧郁的眼睛，她便会相信，他一定作过不幸的爱情的受害者。

Maybe they'll disappear into a pothole.

也许他们将在壶穴里消失