论文部分内容阅读
关于人机工程学和办公室家具
【出 处】
:
管理科学文摘
【发表日期】
:
1994年6期
其他文献
农业、农村和农民问题成为近几年各界关注的焦点.如何有效地解决"三农"问题,从理论到实践已有很多研究,但就一些焦点问题仍存在分歧.本文力图从"三农"问题的表象入手,指出其
The regional BeiDou Satellite System,or BDS2,broadcasts a differential correction as Equivalent Satellite Clock Correction to correct both orbit and satellite c
In this paper we have searched for the existence of Lyra’s cosmology in a hybrid universe with minimal interaction between dark energy and normal matter using
A rotating mass dipole can be used to understand the dynamical behaviors around elongated asteroids as well as binary asteroids. In this paper an improved dipol
文中介绍了CCD发展现状及工作原理、USB2.0协议、CPLD相关知识以及TWAIN协议,总结了线阵CCD图像采集系统的组建方法。
We investigate the behavior of the snowline in a protoplanetary disk and the relationshipbetween the radius of the snowline and properties of molecular cloud co
As one of the payloads for the Advanced Space-based Solar Observatory(ASO-S)mission,the Lyman-alpha(Lyα)Solar Telescope(LST)is aimed at imaging the Sun and the
We present the results of a time-resolved photometric and time-series analysis of an RR Lyrae type star RR Gem. The main results are as follows: we found RR Gem
中国农民的出路问题一直是中国政界、学术界关注的热点.剖析21世纪初中国农民的特点,比较解决中国问题的模式.农村城镇化,是一个解决中国农民出路的诱人的蓝图.中国的工业化
This paper is devoted to binary stars belonging to the class of eclipsing-variable systems.Photometric and spectroscopic analysis of eclipses allows us to deter