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Based on the characteristics of the electrohydraulic servo system,the transient optimal control method using the p Q character of servo valve as constraint condition of inequality is presented.

文章分析了线性二次型最优控制不适用于电液伺服主动抗振系统的原因，并根据电液伺服抗振系统特点，提出了以伺服 p- Q特性各不等式约束条件的瞬时最优控制方法。

In this paper, an un-circular piezoelectric inclusion embedded in an infinite piezoelectric matrix is analysed in the framework of linear piezoelectricity.

本文以椭圆夹杂为例，讨论了在线性压电学范围内的无限压电基体内嵌有非圆形压电夹杂的反平面问题。

Some measures to improve instruments anti- interference function were put forward.

在总结几项电测仪器课题经验的基础上，提出了提高电测仪器抗干扰性能的措施。

The electrochromic layer and the ionized conductance layer are doped with oxide and metal respectively,which highly improve the characters of response and chromic transitivity of the electrochromic apparatus.

本文论述采用混合氧化物掺杂的新方法，对电致变色层和离子导电层分别掺入氧化物和金属，使电致变色器件响应速度、增大着色透过率变化等方面的特性得到很大改善。

The air purifier 10 may be constructed without inclusion of the ionizer needle 34 or may include more than one ionizer needle within the airflow path to charge particles that proceed along the airflow path.

空气清洁器10可以被构造为不包括电离子针34或在气流通路内包括多于一个的电离子针，以便向沿气流通路前进的微粒提供电荷。

In addition to these activities, Volta worked on his electrical projects, and in 1800 he wrote a letter to Sir Joseph Banks, president of the Royal Society, describing his sources of artificial electricity.

除这些活动之外，沃尔塔著手做他的电工程，以及在1800年他给约瑟夫先生银行写一封信，皇家学会会长，描述他的来源人造电。

This paper briefly introduces the method of testing the real sensitivity for EED and gives the data processing method in terms of the electrostatic critical ignition energy of conductive-powder EED conforming to logarithmic normal distribution.

文摘：简要介绍了电火工品真实静电感度的测试方法，以导电药式电火工品静电临界点火能量服从对数正态分布为基础，给出了对应的数据处理方法。

it is suggested that pelvic floor electromyography plus anorectal manometry should be adopted to increase correct diagnosis rate of spfs.

现对104例病例的盆底肌电图和肛肠压力测定结果进行分析，探讨盆底肌电图和肛肠压力测定在盆底痉挛综合征中的诊断价值。

Because the value estimated of reliability characteristic parameters has large error when the number of failure data is fewer by using maximum likelihood estimator, a modified maximum likelihood estimator has been put forward.

本文研究了环境温度、接触压力及电负载对继电器接触可靠性的影响，研究了继电器在常用负载—低电平和中等负载下发生接触失效的机理。

Chapter 1 of the dissertation reviews the developing history and the state-of-art of the study in electrification numerical simulation in thunderstorms, discuss the effect of electric environment on development of dynamics and microphysics, depicts the problems in this area.

第一章主要介绍了国内外关于雷暴起电数值模拟以及电环境对雷暴微物理和动力过程影响研究的现状，并分析了存在的问题。

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。