查询词典 three-wire system

Lobal Positioning System is a satellite navigation system designed to provide instantaneous three-dimensional position information almost anywhere on the globe at any time, and in any weather. It have greatly applied in many areas such as aeronautics, astronautics, marine and other civil fields.

PS全球定位系统以其全球性、全天候、实时定位等优点显示出强大的生命力和竞争力，在航空、航天、航海及许多民用领域有着广泛的应用，而且在航空、航天领域内，所研究的飞行器都是高动态的。

The oil was further explored for biodiesel production by lipase-catalyzed methanolysis. Two processes were studied, namely, three-step methanol loading in solvent-free system and all-in-one methanol loading in tert-butanol system.

进一步利用该酵母油脂为原料分别研究了无溶剂体系中三步甲醇法及在叔丁醇介质体系中脂肪酶催化合成生物柴油，发现脂肪酶可以有效转化该酵母油脂制备生物柴油。

Firstly, the dissertation looks back the development of science and technology and the evolvement of mode of information communication, showing the change of knowledge innovation system and the influence netlike information has upon the knowledge innovation system from three aspects, which are action model, organization structure and thinking method.

随着科学技术的发展，信息传播方式随之演进和发展，而信息传播的发展，特别是网络传播的兴起和发展，不仅对科学技术的发展产生影响，也带来了知识创新系统的变化和发展，特别是知识创新的活动方式、组织结构和思维方式都发生了巨大的变化。

Three kinds of hydrophytes, Veliveria zizanioides Nash, Eichhornia crassipes, and Oenanthe javanica DC. were used to investigate enrichment ability of nitrogen and phosphor at the different TN levels with TP constant. It revealed the absorption ability of aquatic plants and purification ability of aquatic macrophytes-rhizosphere microorganisms system respectively in aquatic macrophytes-microorganism system for water purification.

研究了不同TN浓度下香根草、水葫芦、水芹等水生植物－微生物系统富集N、P的能力，揭示了水生植物－微生物系统中水生植物的吸收作用和根际微生物系统对净化水质的作用，对水生植物根际微生物系统相应微生物的数量做了定量的统计。

The cyclic variation of integrated backscatter and echo intensity of three different myocardial regions perfused by left anterior descending coronary artery, left circumflex coronary artery and right coronary artery (on the frozen frame of parasternal short-axis image,those position were approximately at the 12, 4 and 8 o'clock direction to the center of the left ventricle, respectively) were measured with HP-5500 ultrasonic system and DFY ultrasonographic quantitative analysis system.

在35例急性心肌梗死患者发病2周内，用HP-5500型超声诊断仪和DFY型超声图像定量分析诊断仪，在胸骨旁左室乳头肌短轴切面，分别测量冠状动脉左前降支、左回旋支和右冠状动脉支配区域心肌组织(分别相当于左室乳头肌短轴切面上12、4、8点的位置)的IB和EI心动周期变化幅度值，以CVIB和CVEI值≤同一切面三个不同部位中最高值的1/2作为诊断心肌梗死的标准，部分病例与冠脉造影结果对比。

Though studying the rate of permeable salt of two-pass reverse osmosis system,the effects of feed water pH value, permeant flux ,feed water conductivity on the permeable salt rate of the system are analyzed and the change regular of permeable salt rate along with the three factors is summarized.

以二级反渗透系统的透盐率为研究对象，分析了给水pH值、产水通量、给水电导率对系统透盐率的影响，总结了透盐率随三个因素的变化规律，比较得出了其中给水pH值对透盐率的影响最大的结论，且给水pH值为弱碱性条件下的透盐率最低

The merits of Thomas Ford Brown's definition are:(1) Systemism implies a three-dimensional analysis that integrates well the individual egos in a network with the network structure, taking into considerations each proactive egos as well as the characteristics and influence of the whole network;(2) He emphasized that this is a processual system that indicates the interactive relations between components, structure and environment, giving the system a dynamic feature.

这一定义的优点是：（1）因为采取了三维的分析方法，他把网络中的自我和网络结构很好的包容在一起，这样既可以考虑到每一个自我的能动性，又能关注到整个网络的特点和影响；（2）他强调这是一个过程的系统，也就是指出要素、构成和环境三者之间的互动关系，使得整个理论呈动态特征。

The main results are summarized as follows: X-ray powder diffraction investigation of the Pr5Si_4-xGex pseudobinary system reveals that three structurally distinct phase regions exist in the system at ambient temperature.

经1273K退后一周后，该体系只存在两个单相区：Zr_5Si_4结构的Pr_5Si_4基固溶体(0≤x≤2.8)；正交Sm_5Ge_4结构的Pr_5Ge_4基固溶体(3.0≤x≤4.0)；室温存在的单斜Gd_5Si_2Ge_2型金属间化合物相区则完全转变为高温的四方相相区。

According to the principles of synthesis, dominance, regionality and relative consistency, the environment degradation evaluation system is divided into three classes: vulnerable region, vulnerable type and vulnerable cell. The research area belongs to the erosion degraded Southern Red Hilly Area region. Based on the conceptions and grading, the dissertation probes into the methodology of evaluation and case study, and establishes a potential degradation evaluation system which comprises altitude, gradient, soil erosion index K, annual rainfall, the proportion of rainfall in raining period, and the drought index of rainless period.

在脆弱性概念及其分类的基础上，本文进行了脆弱性评估的方法探讨和实证研究，在脆弱性分析的基础上，选择高度、坡度、土壤可蚀性K值、降雨量、暴雨量、多雨期降雨比重和少雨期干旱指数为潜在脆弱度指标；选取作为区域人地关系、社会经济发展与管理水平综合影响结果的人类活动指标森林覆盖率和坡耕地指数作为现实脆弱度评估的人为加速侵蚀的修正指标，计算生态环境的现实脆弱度，并将其指标体系与方法用于衡阳盆地生态环境脆弱度评估的实证研究。

Secondly, the mathematical models for VE type three eccentric chaotic exciter and forrame rum oil system of chaotic vibratory roller are built. The numerical simulation and chaos identification are finished under different parameters of the exciter. The relationships between the chaotic characteristics of the exciter as well as the rame rum oil system and the parameters of the exciter are investigated.

其次，建立了& CVE—2型三偏心混沌激振器&和混沌振动压路机&机架—振动轮—土&系统的数学模型，并在激振器的不同参数条件下，对数学模型进行了数值仿真和混沌识别；研究了&混沌激振器&和&机架—振动轮—土&系统的混沌特征与激振器参数之间的关系。

For a big chunk of credit-card losses; the number of filings (and thus charge-off rates) would be rising again, whether

年美国个人破产法的一个改动使得破产登记急速下降，而后引起了信用卡大规模的亏损。

Eph. 4:23 And that you be renewed in the spirit of your mind

弗四23 而在你们心思的灵里得以更新