查询词典 electrical system

In this paper, the mathematic model of a. c. excited generator system based on field-oriented control is established first. The simulated results operating at no-load and steady state are agreed with the test waveforms by means of 2. 8kW ACEG prototype developed by Harbin institute of large electrical machinery and Zhejiang University.

本文建立了磁场定向控制交流励磁发电机系统的数学模型，并采用哈尔滨大电机研究所和浙江大学联合研制的2.8kW ACEG系统实验原理样机，测试。。。

The sound system is made up of 3 primary parts: Acoustical, Electrical and Operational.

音响系统并不是一堆电子设备的串接，它涉及到三个相关的领域：声学，电子，操作。

This paper mainly presents the study on related control algorithm of electrical actuator control system based on DSP chip.

主要研究了基于DSP芯片的电动舵机控制系统的相关控制算法。

Wind energy conversion system is a complicated field refers to electrical machine, power electronic, electrochemistry, material, mechanics, aerodynamics, computer, automation, aerograph and etc.

摘 要：风力发电电能变换装置用于风力发电后电流的整流逆变，及对蓄电池充电的一个装置，提供稳定的交流电给负载。

Alpha Centauri as a solar system along with the Grays and Reptilians missed its opportunity to ascend and was left behind due to the extreme amount of electrical distortion.

作为一个太阳系，Alpha Centauri和灰人与爬虫一起错失了它的提升机会，因其极度的电流扭曲而被被留下。

The purpose of the regenerative braking system is to create electrical energy and alleviate the alternator to save on fuel.

的目的，再生制动系统是建立电力能源和减轻发电机节省燃料。

With the development of modern electrical technology, the monitoring and controlling system also come to be developed from analog to digital.

随着现代电子技术的发展，监控系统也逐步由模拟走向数字化。

The system adopted active tracking,namely calculate the input angle of the tracking device in advance,the angle is correspondent to the sun position some moment.Photoelectric sensors react the sunlight that putting on different position of the platform, feedback electrical signal.Then single-chip applys the subprogram and sends out pulse to step motors according to the signals,can control the rotate angle and direction of the step motor. The mechanism has realized the automatic track to the sun, so that the trackers top flat board can be always vertical to the sunlight and arrive the furthest receiving energy.

系统采用主动式跟踪，即预先计算好对应于某时刻太阳位置的跟踪机构的输入角度，通过跟踪器上平台不同位置上摆放的光电传感器感受该太阳位置的光照，反馈回电信号，单片机根据该信号调用子程序发出脉冲对步进电动机的转动角度和方向进行控制，实现了机构对太阳的自动跟踪，使跟踪装置的上平台始终处于垂直于光照方向，达到了能量最大限度的接收。

According to the electrical power system characteristic, the modified equation which antipode coordinates form Newton - Rough abdicated improves and the simplification development has formed the P-Q resolution.

根据电力系统的特点，对极坐标形式的牛顿-拉夫逊的修正方程加以改进和简化发展形成了 P-Q 分解法。

Tenuiflora seedlings and the fine regulation mechanism of metabolism of cell membrane stability under salt stress, electrolyte leakage rate using relatively electrical conductivity method and malondialdehyde content using the thiobarbituric acid method relating to cell membrane stability were determined as the variable of physiological parameters that could reflect the status of physiological system or injury extent by stress, and the fluorescence parameters such as Fv/Fm, Fv/Fo, qP, Fv'/Fm',ΦDPⅡ, HDR and qNP were also determined by the method of fluorescence induction kinetics with FMS2- facilitative Fluorescence Monitoring System under normal condition and different degrees of NaCl stress (0.4%, 0.8%, 1.2%, 1.6%, 2%, 2.4%) after 7d.

星星草幼苗在不同浓度NaCl胁迫处理7d后，测定了叶绿索荧光参数、MDA含量和叶片电解质外渗率。

In the negative and interrogative forms, of course, this is identical to the non-emphatic forms.

。但是，在否定句或疑问句里，这种带有"do"的方法表达的效果却没有什么强调的意思。

Go down on one's knees;kneel down

屈膝跪下。。。下跪祈祷