查询词典 variable-density system

The second type of variable speed system is designed to make the motor have wide speed range and high precision.

第二类系统是针对要求有高精度控制及宽调速范围的应用场合而设计的。

The construction of the mathematical model of the variable valve system and its dynamic analysis are also presented.

本文也对此系统的学模型作出推导，并进动态分析。

This chapter is the theory foundation of engineering analyses and design of this kind of new AC motor variable speed system.

本文针对目前交流调速系统设计实施及其应用推广中存在的问题，提出了一种基于优化PWM波和定子电压定向控制的新型交流调速系统。

As a hub of substance-exchange, energy flow and information communication, media ecosystem is an organic unity and a variable life system with open, dynamic and balanceable early-alarm functions.

媒介生态系统是有机统一的整体系统，不断变化的生命系统，物质交换、能量流动和信息交流的枢纽，开放的、动态的、平衡的预警系统。

Fuzzy Logic Ratio Control of Continuously Variable Transmission System;2. analyzing the primary characteristic and the power performance, this article discusses the changing regularities of the ratio in two types of HTC, which have different penetrativity.

分析对比液力变矩器原始特性和动力特性，讨论了当外界阻力发生变化时，具有不同透穿性的液力变矩器速比的变化规律及其对变速器传动效率的影响，指出在自动变速器设计中，合理选择液力变矩器的结构参数，特别是注重其透穿度与发动机适应系数的合理匹配，是提高自动变速器传动效率及汽车驱动功率的有效途

Hence, the welding machines to be used for short circuiting transfer, make use of a variable choke system which can be tuned for different wire sizes, The frequency of the metal transfer may be of the order of 50 to 200 per second.

因此， 用于短路的焊接的机器转移，利用可能被为不同的电线尺寸调试的一个易变的阻塞门系统，金属的频率转移可能具有50到200 每秒的命令。

One of them called sliding mode controller that obtained the most interesting in variable structure system theories.

在控制系统中引入滑动模式的设计，可使系统具有快速的时间响应、良好的暂态性能，以及对系统参数变化和外部干扰的低灵敏度。

As well as the Double Vanos variable camshaft system, which allows large amounts of torque to be delivered even at low revs

同时双凸轮轴可变气门正时系统也可以允许发动机在很低的转速下输出巨大的扭矩。

Intermediate polars are a type of cataclysmic variable star system.

中度的极化双星系统是激变星中的一种类型。

So this paper presented a simple and effective method to control the time-changed and non-linear CVT system.

因此，本研究为控制CVT(Continuously variable Transmission)起步离合器这种时变、非线性系统提出了一种简单可行的解决方法。

I can not make it blossom and suits me

我不能让树为我开花

When temperatures are above approximately 80 °C discolouration of the raceways or rolling elements is a frequent feature.

当温度高于 80 °C 左右时，滚道或滚动元件褪色是很常见的特征。