查询词典 characteristic

By the analysis of the characteristic and restriction of the gear components ,this paper upbuilds the characteristic model based on the restriction and actualizes data transmission and information sharing among CAD.CAE and CAPP .This paper analyzes the general principle of parameter determination and strength check about gear and researches the algorithmic of gear strength check based on the characteristic .This paper introduces expert knowledge into respective procedure of CAD.CAE and CAPP and actualizes the intellectualization in design process .strength analysis and process planning .

以齿轮类零件作为研究对象，在分析了其特征及约束的基础上，利用数据库技术和图形单元建模技术，建立了基于约束的特征模型，实现了CAD／CAE／CAPP之间的数据传输和信息共享；分析了齿轮参数确定、强度校核的一般原则，进行基于特征的齿轮强度校核的算法研究；将专家知识融入在CAD、CAE、CAPP各个过程中实现了设计过程、强度分析和工艺分析的智能化。

It is meaning to research on the compressive characteristic of concrete small hollow block walls with concrete core columns in order to make use of the material well and improve characteristic of the walls.To concrete small hollow block walls, five modes of block walls of different ratio of height to width have been made. The Characteristic of the block walls of different ratio of height to width with horizontal load and vertical load have been analyzed.

对不同的高宽比的砌块砌体墙在不同的竖向荷载作用下的水平抗剪性能进行了数值分析，计算了墙体的水平开裂荷载和破坏荷载，模拟了墙体从开裂到破坏的全过程，分析了不同的竖向荷载和不同的高宽比对墙体水平抗剪性能的影响。

In order to study diesel locomotive AC-DC electric-drive system, this thesis makes a analysis of the primary capability parameters of AC-DC electric-drive system, under the train"s running state, such as traction dynamotor"s voltage/ current, pulling power and train velocity, then makes a research in the ideal running characteristic and the adjust characteristic of dynamotor and the speed adjust characteristic of electromotor with the theory of AC-DC electric-drive.

本文针对内燃机车交-直电力传动系统，对机车运行过程中，传动系统的主要性能指标参数(如牵引发电机电压/电流、牵引力、机车速度等)及其关系进行分析；并运用交-直电力传动原理，对机车电力传动过程中牵引发电机的理想外特性、调整特性及牵引电动机的速度调节特性进行研究；通过参考东风7型内燃机车的性能、结构参数，运用Visual Basic对内燃机车交-直电力传动系统进行数学建模。

Industry Design; Enfant Product; Bionic Design method; Enfants Characteristic; Cognize Biology Characteristic; Predigest Biology Characteristic

论文导师陆长德，论文学位硕士，论文专业设计艺术学论文单位西北工业大学，点击次数 5，论文页数 97页File Size14248K

Then, if there are a plurality of characteristic areas, each of which is characterized by the high frequency in the luminance histogram, a characteristic emphasis circuit ( 7 ) performs grayscale extension processing for the plurality of characteristic areas.

而且，特征强调部(7)在检测出的亮度直方图的频率频度多的特征区域为多个的情况下，对于该多个特征区域进行灰度等级扩展处理。

Firstly, the principle and method of designing the combustion characteristics ofsmall grain-binding high-burning-rate propellant are analyzed and discussed, theburning behaviors and energy characteristic of the component content and binder andsmall grain propellant are respectively calculated by the estimating burning rateprocedure based on the chemical structure and characteristic of propellant, and theREALthermodynamics system software. The selection principle of component contentwhen designing the burning behavior and energy characteristic is analyzed.

首先，分析讨论了小球粘结高燃速推进剂燃烧性能设计原理及方法，采用基于推进剂化学结构与特征反应关系的燃速预估程序和REAL热力学系统软件分别计算了组分含量与黏结剂和小球药燃烧性能、能量性能的关系，分析了推进剂燃烧性能、能量性能设计时组分含量的选择原则。

The study combines the relevant literates, secondary data, and in-depth interview to contribute the four selective factors such as product characteristic, company characteristic, market characteristic, and consumer demand. The result of the research will be appeared by the following statement.

本研究结合文献探讨、次级资料及访谈，访谈对象有宏碁、惠普、索尼及华硕，主要探讨品牌商对於选择网路与实体通路之间关系的考量因素，将产品因素、公司因素、市场因素及顾客需求因素纳入变数考量，研究结果发现

Then, the method to estimate cavitation erosion characteristic of high pressure piston plunger pump by analyzing impingement angle on outlet of throttling groove is put forward. That is, to hold the impingement angle range of 30°～60°as appraisal criterion of cavitation erosion characteristic on high pressure hydraulic plunger pump.4 The throttling characteristic of hydraulic control valve is studied by CFD calculation and experiment.

最后，提出了一个通过分析节流槽出口处的射流方向来评价高压轴向柱塞空蚀特性的空蚀评价方法，即将节流槽出口的射流角范围30°～60°作为评价高压轴向柱塞泵空蚀特性的标准。4对液压控制阀的节流特性进行了CFD数值计算和试验研究。

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。

This paper carries on automobile smooth-going characteristic test, firstly using data gathering system and portable computer. Automobile smooth-going characteristic is synthetically evaluated according to IOS26311CD-1991. Automobile smooth-going characteristic body health evaluating data is set up under the pulse.

本课题首次运用国际先进的数据采集系统和便携式笔记本电脑对汽车进行在线平顺性试验，根据国际标准ISO2631／CD-1991对汽车平顺性进行综合评价，首次提出了脉冲输入下汽车平顺性健康评价指标，为脉冲输入下汽车平顺性的质量评价提供了直接的判断依据。

The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.

采用不同浓度K2CrO4(0，0.4，0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗，测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。

By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.

通过分析数学形态学在图像中的理论基础，研究二值图像的形态分析算法，探讨最小结构元素的两种基本形态：膨胀和腐蚀；分析了数学形态学复杂算法的基本原理，把数学形态学的部分并行处理理念引入到家实际应用中。