浅析数字正射影像图制作质量的改进

参照l：500大比例尺数字正射影像图的制作过程,详细论述了影响数字正射影像图质量的各种因素,针对影响数字正射影像图质量的各种因素逐一找出解决方案,为今后制作大比例尺数字正射影像图提供了有利的作业依据．     

学生课堂知识吸收率的定量分析

提高课堂吸收率是提高教学效果的重要手段 ,用微分方程建立了一个描述讲课过程的数学动态模型 ,用数学方法阐明了显著影响学生课堂知识吸收率的各种因素及其内在联系 ,最后利用该模型的边界解 ,对上述各种因素作了定量分析 .并据此分析给出了提高课堂知识吸收率的实施方法及理论依据     

学生课堂知识吸收率的定量分析

提高课堂吸收率是提高教学效果的重要手段，用微分方程建立了一个描述讲课过程峥、数学动态模型，用数学方法阐明了显影响学生课堂知识吸收率的各种因素及其内在联系，最后利用该模型的边界解，对上述各种因素作了定量分析．并据此分析给出了提高课堂知识吸收率的实施方法及理论依据。     

谈《百家讲坛》之热播

《百家讲坛》栏目的热播是各种因素的综合体现。本文将文化需求广泛、学术大众紧密结合，另辟蹊径新颖品评、精品讲解独具风格，巧设悬念善讲故事、电视手段综合运用，讲述语言质朴时尚等几方面，较为深入地分析了其成功的各种因素。     

浅谈中等职业学校学生的素质教育

中等职业学校担负着为社会培养合格技能人才的重任,然而,由于各种因素的制约,中等职业学校学生的素质教育效果及其质量并不理想。针对中职学校学生素质现状,分析了学生不良素质的成因以及制约中职学生素质良性发展的各种因素,提出了加强和改进中职学校学生素质教育的若干建议。     

提高化工类专业毕业实习教学质量的措施和办法

本文讨论了提高化工类专业毕业实习教学质量的各种因素,并提出了一些具体的方法.     

浅谈混凝土构件外观影响因素分析

分析了影响混凝土构件表面颜色的各种因素,阐述了混凝土内各种材料相互间的作用机理.     

刍议英语教学中的学习满意度

学习满意度不仅包含和学习有直接联系的各种因素，譬如考试、复习功课、听讲等，还包含与学习有间接关系的各种因素，譬如师生关系、同学之间的关系、学生的情绪等。     

抓好两个环节促进电大教育质量提高

本文探讨了影响电大教学质量的各种因素．并从教学管理和考试管理两方面提出了相应的改进措施。     

景深及影响景深的因素

运用几何光这原理推导出景深的数学表达式，并讨论了影响景深的各种因素。     

卡思卡特城堡

It is worthy of noting that, whilst Crookston Castle witnessed the earlier and happier portion of Mary's variegated life,     

不同的吃喝玩乐

一、吃和喝吃苹果 eat an apple, 吃药 take medicine,吃糖 have some sweets,吃饭 have one's meals,吃馆子 dine out,吃惊 be surprised/     

漏洞百出的教育

Many college freshmen arrive woefully unprepared to do college work, and as disadvantaged populations continue to grow, the share of the American work force that has made it through college is expected to plummet. Many experts blame that educational failure not just on high schools but also on colleges. School & College, a special report by The Chronicle, looks at efforts to fix the system. What reforms would better prepare students for college? What should schools and colleges be doing differently? How should state and federal officials help?     

Western and Eastern culture differences in commercial field

The communication of people partially is the communication of cultures. Culture has a direct effect on international commercial activities in all aspects. Different conceptions about time, space, equality, law and the like, lead people to deal with things in different ways. So to know cultures of the counterpart is to facil-itate our enterprises so as to have a smooth and successful communication in commercial activity.     

只要努力,不要后悔

There are numbers of crossroads on our long and unpredictable life journey where we totally have no idea about which direction to choose. No matter what our decision is, we should not turn back, but face the music and go ahead instead. I am this kind of girl who always does try without regretting, one example is how I dealt with my love.     

浅谈移民问题

Migration occurs behind a variety of reasons and has a great effect on the whole world. People may migrate in order to improve their economic situation, or in order to escape civil strife, persecution, and environmental disasters. The impact of migration is complex, bringing both benefits anddisadvantages. This paper briefly talks about the causes of migration, the allocation of benefits, and the ways in which individual countries and the international community deal with this important subject.     

Sister Carrie, an Adherent of Desires

Sister Carrie is one of the most controversial characters in American literature.Thought as a "fallen woman" firstly,she was defined as a "new woman" by some critics later. However, by digging into the motivaton behind the whole process of Carrie's "success", the relationship between Carrie and her creator (the author), the social conditions of then American, it can be found that Carrie has never been free-standing on her thought and she has never found her real-sdf even after becoming a famous actress. In a society dominated by mass consumerism Carrie is only an adherent of her own desires. She also is a representative of all those country girls flooded into cities, a symbol and a sacrifice of the urbanization of America in a time countryside was overcome by cities.     

Improvement of one-cycle controller by use of proportional integral differential controller

1.IntroductionOne-cyclecontrolmethod,whichwasproposedaboutonedecadeago[1],hasbecomeanattractivemethodinspecialfieldssuchaspowerfactorcorrection[2-6],switchingamplifiers[7,8],etc.Themainideaofthiscontrollerisbasedonintegrationofdiodevoltageinone-cycleandforcesittobeexactlyequaltothereferencevalue.Themainadvantageofthiscontrollerisitsrealtimeabilitytorejectthevariationofinputvoltage[1].Despitethisgreatability,ithasnogoodperformancesinrejectingofloaddisturbanceandfollowingreferencecommands.Espec…     

风的曲线

Rosco and I wait for the fishermen to return.I sit at a wooden bench near the store at Mt.Baker Resort and watch the clouds change shape. Rosco has my belt around his neck and an eight foot tow chain hooked to a tree. Dogs must be on a leash. Ducks and rabbits are loose.