搜索筛选:
搜索耗时0.0931秒,为你在为你在102,285,761篇论文里面共找到 19 篇相符的论文内容
发布年度:
[学位论文] 作者:李又文,,
来源:国防科学技术大学 年份:2007
随着我军通用装备的不断发展,越来越多的新装备配发到部队。未来的战争是在高技术条件下的局部战争,武器装备保障是战争的重点之一,因此通用装备保障人员的保障能力的高低也...
[期刊论文] 作者:李又文,,
来源:英语学习 年份:1999
In the United States,any groupother than the dominant WhiteAnglo-Saxon Protestant maiorityis a minority group in American society.These racial and ethnic minor...
[期刊论文] 作者:李又文,,
来源:英语学习 年份:1999
The plight of the aged hascome to be regarded as a majorsocial problem in the Unites States.In a sense,the elderly(conventionally,those aged sixty-five and ove...
[期刊论文] 作者:李又文,,
来源:英语学习 年份:1998
Northern Ireland is the smallest ofthe four nations,both in areaand population.It is oftencalled“Ulster”after an ancientIrish kingdom which once existed in t...
[期刊论文] 作者:李又文,,
来源:英语学习 年份:1998
Most Americans claim to believethat state governments are moreresponsive to them than the fed-eral government,but over the past 60 yearsthey have asked the fed...
[期刊论文] 作者:李又文,,
来源:英语学习 年份:1998
Absolute Decline andRelative DeclineBy the 1880s the British economy wasdominant in the world,producing one thirdof the world’s manufactured goods,half itscoa...
[期刊论文] 作者:李又文,,
来源:英语学习 年份:2000
Muriel Heslop is a large,big-bonedyoung woman from a dysfunctionalfamily in Porpoise Spit,a provincialcenter.Her father,Bill Heslop is a failedpolitician who a...
[期刊论文] 作者:李又文,,
来源:英语学习 年份:1998
In its vast area the United States com-prehends most of the physical conditionsknown to men:heat and cold,forest anddesert,tropical swamp and Arctic waste,moun...
[期刊论文] 作者:李又文,,
来源:英语学习 年份:1998
Higher EducationOut of more than three mil-lion students who gradu-ate from high school eachyear,about one million go on forhigher education.A college at alead...
[期刊论文] 作者:李又文,,
来源:英语学习 年份:1998
Britain is arguably the oldest represen-tative democracy in the world,with rootsthat can be traced over a thousand years.Other countries also have long politic...
[期刊论文] 作者:李又文,,
来源:英语学习 年份:1998
Religious LibertyBy the middle of the 18th century,many dif-ferent kinds of Protestants lived in America.Al-though the Church of England was an establishedchur...
[期刊论文] 作者:李又文,,
来源:英语学习 年份:2000
今年秋季,奥运之火将在澳大利亚的悉尼燃起,且1月26日为澳国庆日,为使读者朋友对澳大利亚有所了解,我们选编了一组有关澳洲的文章,以飨读者。This fall, the Olympic Game...
[期刊论文] 作者:李又文,,
来源:英语学习 年份:1998
The United States that emerged fromthe American Revolution of 1776 wasprincipally an agricultural country. Itwould remain so for another century,but some early...
[期刊论文] 作者:李又文,,
来源:英语学习 年份:1999
The Problem Drug abuse in the United Stateshas come to be regarded as one ofthe most challenging social prob-lems facing the nation. Indeed,the very word “dru...
[期刊论文] 作者:Richard Walker,李又文,,
来源:英语学习 年份:1996
ALMOST 700 BRITISH MEN AND WOMENARE SUFFERING FROM A NUMBER OFMEDICAL PROBLEMS,KNOWN AS GULF WARSYNDROME,WHICH THEY CLAIM STARTEDFOLLOWING THEIR SERVICE IN THE...
[期刊论文] 作者:胡一东,李又文,
来源:电线电缆 年份:2000
本文简述了设备选择和评价的基本原则、设备经济性分析和评价的方法。并对在社会主义市场经济条件丁,选择价格性能比高的设备,提出了明确的意见。...
[期刊论文] 作者:胡一东,李又文,
来源:光纤与电缆及其应用技术 年份:2000
本文根据当前国外光纤光缆发展最新动向,参照国内引进的先进的光纤二次被覆生产线,结合我国所多年来的实践,提出了适合国情的效果颇佳的12芯张力控制放线设备。+...
[期刊论文] 作者:李又文,张喜涛,张学锋,
来源:红外技术 年份:2014
提出了一种基于单目相机的空间非合作目标姿态测量方法。研究了目标姿态测量的基本原理并介绍了基于合作目标和双目相机的优缺点。通过匹配点得到相机的参数模型,然后利用对极......
[期刊论文] 作者:李又文,张喜涛,张学锋,,
来源:红外技术 年份:2014
提出了一种基于单目相机的空间非合作目标姿态测量方法。研究了目标姿态测量的基本原理并介绍了基于合作目标和双目相机的优缺点。通过匹配点得到相机的参数模型,然后利用对极几何方法得到目标姿态。仿真实验表明本文方法能够估计目标的姿态,为导引系统提供了一......
相关搜索: