查询词典 research engineering

On this basis, It also describes the analysis and design of the system structure, database and web application program frame and modules, especially lays emphasis on the research and realization of the processing of the large number of CAD engineering drawing files in this system.

对系统实现所涉及的技术做了研究，包括网络数据库的体系结构及实现技术，CAD图形的处理方法。

The research result fill the blank spaces on the helical vortex theory, and also builds a bridge between the theoretic study and engineering application.

对工程中其它螺旋涡流场的解析计算，同样可以利用本文的理论结果和分析思路。

The research result cannot satisfy the need of engineering design.In this paper, according to practical liquid differential equation ,allowing for moving rule and characteristic of moving field of vertical vortex , simplifying N-S equation, I have studied the discipline of condition, velocity and pressure of vertical vortex and analyzed some theory solutions such as plain vortex solution and solution in axial direction.

本文从实际流体运动微分方程出发，结合立轴旋涡运动规律和流场特征，采用对称恒定性假设，简化N—S方程，研究了立轴旋涡的水流流态、速度与压力的分布规律，分析了若干理论解，如平面螺旋流解、轴向流解等。

The theory of this type of pile is poor, especially for evaluating the bearing capacity and the applied area of it, and the further research is required for engineering practice.

但是由于涉及复杂的浆液与桩端周围土体的相互作用，对该种桩的理论研究还很不充分，特别是对于如何评估这种桩的承载力和桩的适用范围等方面。

The research results provide theoretical principles for the X type SMA plate damper's design and application in practical engineering.

研究结果为X形SMA板式阻尼器的设计和工程应用提供了理论依据。

Company's fancy twisting machine has been Donghua University, Xi'an Engineering Science and Technology College, Beijing Institute of Clothing Technology and other prestigious universities selected as teaching and research equipment.

公司生产的花式捻线机先后被东华大学、西安工程科技学院、北京服装学院等著名大学选为教学研究设备。

This paper mainly has the research of random factors presented in reliability analysis and optimization design based on probability of all kinds engineering structures (including truss and beam structures etc.).

文中针对杆系结构在可靠性分析和基于可靠性的优化设计中可能出现的各种随机情况开展了深入系统的研究，主要内容包括： 1。

Is a research and development, production, sale, trade, and sound engineering audio equipment in one integrated enterprise.

广州爵士龙专业音响有限公司是一家集研发、生产、销售、贸易、音响工程于一体的音频设备综合性企业。

Heat deformation of the machine tool spindle system is one main reason which affects the accuracy of the machining, so the heat design of the machine tool spindle system play an important role in designing the machine tool. Research of this area had been made more progress at home and abroad, but extent and deepness of theory and engineering application is not enough.

机床主轴系统的热变形是影响机床加工精度的主要原因之一，因此机床主轴系统的热设计在机床设计中占据重要地位，国内外在该领域的研究虽然取得较大进展，但理论和工程应用的广度和深度还不够。

Progressive die is the most precise one of the important machine tool in manufacturing field.Concurrent engineering is an important research field of advanced manufacturing technology.

级进冲模是制造业最精密的重要工艺装备之一，并行工程是先进制造技术领域的重要研究方向。

The dynamic variation in content of cndogenous abscisic acid,indoleacetic acid,gibberellinsand isopentenyladenodines of normal juvenilefruit and dropped fruit was measured with enzyme linked immunosorbent assayin the course of physiological fruit drop of 'Shuizhang Longan.

应用酶联免疫法测定了水涨龙眼生理落果期间正常幼果和脱落幼果中内源激素ABA、IAA、GAs及iPAs含量的变化。

Zillions of code examples on the web.

网上数量巨大的代码例程。