|
Abstract Selecting certain section of North-south Elevated Road in shanghai to develop and set up several curved and erect, turnable noisae-preventing screens, and making comparative noise level test and then conducting analysis and approach on sound envi
|
|
|
摘要在上海市区南北高架与地面道路建设期间，选择了一些典型的高架路段，开发和设置了弧型与面立型两种可翻转式防噪声屏，并作了对比噪声测试，进行了声环境的分析、探讨。 |
|
Abstract So many analyzing theses about the students' state of health have been published before.
|
|
|
中国健康教育990405摘要对学生健康状况分析的文章已很多了。 |
|
Abstract Sustainable development index system is a focal point in the international study concerning sustainable development, both abroad and home, both abroad and home, national or local levels, indices and high-aggregated indices, monetory method and no
|
|
|
摘要文章对于可持续发展指标体系这一国际上可持续发展研究的，从国家层次到地方层次，指标集和高度合并的指数货币化方法及非货币化方法等方面，详细分析国外可持续发展指标体系的研究进展。 |
|
Abstract Taking the electric control sircuit of the flanging machine as an example,this single electromagnet directional control calce is used to design the electric control circuit with several sequential cylinders.
|
|
|
摘要本文以卷边机电气控制回路设计为例子来说明使用单电磁铁换向阀进行多气缸顺序动作电气控制回路的设计方法。 |
|
Abstract The applied technology and a equipment are mentioned for protecting insulation overhead line from lightning strike breakdown in this paper.
|
|
|
摘要本文提出一种防止配电线路架空绝缘电缆雷击断线的实用技术和装置，可有效地防止架空绝缘电缆雷击断线、绝缘子损坏等事故。 |
|
Abstract The development of inverter welding power source is the inexorable trend of welding power source orientation.
|
|
|
逆变焊接电源是焊接电源的主要发展方向之一。 |
|
Abstract The rapid development of township enterprises will bring about serious environmental problems.
|
|
|
摘要文章提出了乡镇企业的迅速发展的同时，带来的严重的环境。 |
|
Abstract The student management system introduced important systems analysis, system surveys, data flow analysis, functional design, database design, system configuration Physics programmer, the achievement of the system, system testing and debugging.
|
|
|
摘要本文重要介绍了学生管理系统的系统分析、系统调查、数据流程分析、功能设计、数据库设计、系统物理配置方案、系统实现、系统测试和调试。 |
|
Abstract This article mainly analyzes the accounting information main users scope limits.
|
|
|
摘要：本文主要分析会计信息主要使用者的范围界定。 |
|
Abstract This paper gives two kinds of single operational amplifer ? current-mode active filter circuits. They can realize lowpass, highpass and ? bandpass without changing circuit topology and element.
|
|
|
摘要提出两种使用单运放的电流型滤波电路,每种电路均可同时实现带通、低通和高通滤波功能. |
|
Abstract With the development of the modern information technology and popularization of the network technology, have introduced the network teaching of course for the development which met the times, Ministry of Education proposed exquisite course constr
|
|
|
摘要随着现代信息技术的发展和网络技术的普及，为了适应时代的发展引入了课程的网络教学，2003年教育部提出了精品课程建设，精品课程建设成为高等学校教学质量与教学改革工程的重要组成部分，是高等学校提高教学和人才培养质量与水平的一项重要工作。 |
