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Taking the autobus of city as the researchable object,for the characteristic of run and power,the basic design parameter of the hydraulic system was studied.Based on much aspect of factor,for example,the cost and benefit,the power and security,hydraulic switching system of inertia as being used the pump/motor and the container of air sac type as the representative characteristic was designed.And the e...

以城市公交汽车为研究对象，根据其运行特点及动力特性拟定液压系统的基础设计参数，在综合分析了成本与效益，动力性与安全性等多方面因素的前提下，设计了以气囊式蓄能器及泵/马达一体部件应用为典型特征的惯性能量液压转换系统，实验证明该系统具有结构紧凑、反应迅速、节油效果显著的特点。

Return loss is one of the important indices, which is used to evaluate the absorbing characteristic of the microwave anechoic chamber, so the test of it comes into one of the important aspects of examining the characteristic of th e microwave anechoic chamber.

微波暗室的回波损耗是衡量微波暗室吸收特性的一个重要指标，因此对微波暗室的回波损耗的检测是检验微波暗室性能优劣的一个重要方面。

The tunable photon broad band radio frequency phaser based on a silicon ring resonance cavity comprises a pumping signal light-generating system, a carrier wave light-restraining double-sideband generating system, a silicon ring resonance system and a measuring system; wherein, the silicon ring resonance system comprises a light coupling device and the silicon ring resonance cavity; the output of the light coupling device is connected with the input port of the silicon ring resonance cavity; wherein, the silicon ring resonance cavity is composed of a silicon annulet and a root of a straight waveguide; the air gap distance between the silicon annulet and the root of the straight waveguide is several ten nanometers or several hundred nanometers; the taking characteristic of the silicon ring resonance cavity is the characteristic of a seasonal reject trap; the transmission rate in the position of a resonance wavelength is equal to zero or is very close to zero.

本发明包括：泵浦信号光发生系统、载波抑制光双边带产生系统，硅基环形谐振腔系统，以及测量系统。所述硅基环形谐振腔系统包括一个光耦合器和一个硅基环形谐振腔，光耦合器的输出连接到硅基环形谐振腔的输入端口，其中：硅基环形谐振腔由一个硅基微环和一根直波导构成，硅基微环和一根直波导之间的空气隙间隔为几十至几百纳米，硅基环形谐振腔频谱特征是周期性的带阻滤波特性，在谐振波长处的透射率等于0或非常接近0。

Firstly, the choice, division, organization and relation behavior of geographical space is proposed on the base of human geography and behavioral science; Following, from the perspective of the physiography and anthropogeography respectively, the reason forming regional characteristic of rural architecture at Baoshi village is given; Finally, the strategy of developing tourism according to the special rural architecture characteristic of Baoshi, also as its new geographical advantage in its development, is presented, which combines the preservation of rural architecture with settlement development.

该部分首先从人文地理学行为学理论出发，对宝石村的地理空间选择行为、地理空间划分行为、地理空间组织行为以及地理空间联系行为进行了探讨；随后分析了宝石村乡土建筑地域特色的自然地理之因以及人文地理之由；最后作者从宝石村的区位特色出发，提出以其特有的乡土建筑特点作为宝石村发展新的区位优势开发旅游业，实现乡土建筑保护与村落发展的结合。

It is not only a kind of social event, but also a text form with an oral characteristic of real-time interaction and a written characteristic of unilateral asynchronism.

它既具有口语语篇的实时互动性，又具有书面语体的单向异步性，属于"互动性的书面语篇"。

In the light of cost index and pollution degree, the characteristics of kinds of pulp are analyzed in detail, and the GP pulp which is low cost, high-yield, no-pollution is chosen as the material of tableware. Based on material element analyzed, shaping technology is designed, the to and for single plane shaping equipment which is high shaping quality, high production efficiency and is easy to automatize is chosen. All kinds of measure are taken to solve the problems which are inequality in the shaping process of GP pulp, and dosage which matches with GP pulp is chosen. Some ways of fixing shape and heat up are analyzed, the technology of saving energy of heat pressing to fix shape being composed of oil heat and only one fixed shape in the mold is applied, with which it is high production efficiency, low cost to fix shape effectively, which saves energy 30 percent. In order to make the production line meet with material of GP pulp, measure are taken to solve the problem of pulp adhered to netlike molding which can lead to carry material difficult, the structure of fully automatic equipment is renovated, the loaded beam is optimizationally designed to make equipment structure compactand improve location precision and products quality. According to technologic flow and actual characteristic, Omron PLC is chosen as the core of the control system, proximity switch as detect unit take the place of touch switch, software is designed reasonably according to time order figure, hardware is simplified, the reliability of system is advanced, the stability of system is assured to make production order. Intelligence neuron PID system is studied theoretically which is made up of both neuron with self-organizing and self-learning function and ordinary PID with the characteristic of the simple structure and high stability, which can automatically tune the parameter with the change of system parameter, remain perfect performance.

按成本指标和污染程度分析各浆料的特点，选择低成本、高得率、无污染的磨石机械浆为原料，在原料组分分析的基础上，设计成型工艺，选择成型质量好、生产率高、易实现自动化的往复式单板成型机，采取各种措施解决GP浆成型不均匀的问题及选择与机械浆相匹配的助剂；分析几种定型方式和加热方式，采用定型效果好、生产率高、成本低的油加热与模内一次性定型相结合的热压定型节能技术，节能30％；为了使生产线适应磨石机械浆原料，采取相应措施解决由于粘网造成物料转移困难，对全自动设备结构进行改进设计，着重对物料传送系统的关键部件——承载梁的进行优化设计，使设备更加紧凑合理，提高设备的定位精度和产品质量；根据生产线工艺流程和现场特点，选用OMRON CPM1A型PLC为主核心，接近开关作为检测元件，替代有触点开关，选用可编程终端代替常规面板按扭，并按照时序图科学合理地设计软件，有效地简化系统硬件构成，提高系统的可靠性，保证系统的稳定性，从而使生产更加通畅有序；从理论上探索将神经元应具有的自组织、自学习要求与PID控制结构简单、稳定性好的全自动纸浆模塑餐具生产线的研究特点结合起来，构成神经元自适应PID控制器，当参数的变化时，系统能自行参数整定，保持优良的工作性能指标，满足实际需求。

Accordingly, the characteristic of estate basically depends on the characteristic of land, the relevant and academic basis of estate rate also from this and generation.

因此，房地产的特征主要取决于土地的特征，房地产估价的相关理论依据也由此而产生。

In chapter three, the instructor must have ability of three aspects including individual special characteristic, music knowledge and teaching skill. According to a research of United States, they found that individual special characteristic of the conductor is the most important ability for teaching string orchestra. Furthermore, researcher also found that conductor's individual special characteristic has the decisive influence to the whole performance in string orchestra.

第三章指导者所须具备之能力包含人格特质、音乐知识和教学技巧三方面，根据美国一项研究结果发现，指挥的人格特质为带团最重要能力，笔者亦发现指导者之个人风格特色对乐团的整体表现具有决定性影响，且其所具备的音乐知识及教学技巧是提升乐团程度的重要因素。

The weight coefficient determined by peak frequency in power spectrum is employed to evaluate its smooth-going characteristic. And about SF32601's handle stability, the following six aspects are considered: the steady and transient respond characteristic of the redirector under steps input; the straight performance to go back; the angular speed frequency respond characteristic of balance weight; the steering performance under typical operating mode and Straight line mode.

用功率谱密度中峰值频率所给定的加权系数对其平顺性进行了校核并从转向盘角阶跃输入下稳瞬态响应特性、转向回正性能、横摆角速度频率响应特性、典型工况行驶性能和直线行驶能力六方面对其操纵稳定性进行了研究。

Finally, fractal characteristic is researched in the thesis. Fractional Brownian motion characteristic of sea clutter is validated and fractal dimention of sea clutter without taget and sea clutter with target are calculated by box-dimention method.Target detection based on fractal dimention is analyzed in brief and sea clutter multi-fractal characteristic is analyzed by MF-DFA.

最后，本文对海杂波分形特性进行了研究，验证了海杂波符合分数布朗运动的特性，通过盒维数法计算纯海杂波和目标海杂波的分形维数，简要分析了基于单重分形维数的目标检测，并采用MF-DFA对海杂波多重分形特性进行了研究分析。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。