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The class as a regular classroom management system, regulating the behavior of students' classroom teaching and cultivate students' order, good study habits and in practical teaching practice plays an important role. In 2001, China has a new foundation education curriculum reform,"born after the tide for the concept of" new order of teaching the "call" is formed on the traditional classroom teachers "speech" and monologic students listen up the strong shock status.

课堂常规作为课堂中的一项管理制度，规范着学生的课堂行为和课堂教学秩序，培育着学生良好的学习习惯，在具体教学实践中起着重要的作用。2001年我国掀起了新基础教育课程改革的浪潮后，&以生为本&的理念对教学新秩序的&召唤&己经构成了对传统的课堂中教师&独白式演讲&和学生们的端坐静听现状的有力冲击。

Beijing environmental problems hold severe, and atmospheric and water pollute, soil and water loss, hot island and yawp are leading problems,and take on territorial characteristic. Based on research on relativity between urban forest and these environmental problems, urban forest can effective improve environmental quality in Beijing. And for the aim of improve environmental quality, Beijing forest overlay should attain 35% at least in citywide range, and local-areas being severe environmental problem should be provided with higher forest overlay.5. Through the study on urban forest needed capacity, Beijing's forest coverage is up to par in citywide range, but montanic forest coverage, plain covered with trees and average forest area are lacking, and CO2 and O2 balance is incapable;form the point of heat and balance CO2 and O2 balance,urban forest the city zone and suburb is lack. There is urban forest developmental potential space,but the city zone and suburb area need be compensated form urban forest in circumjacent region.6. On the based of the above results and ecological network system, the author drived whole region into city area, plain and mountain area are needed at the point of planning thoughts of running-through forests and water .

根据城市森林与北京市主要环境问题的相关性分析，城市森林在改善这些环境问题中具有重要的作用，为有效改善这些环境问题，整个北京市域范围内森林覆盖率至少达到35%，并且分布比较均匀，环境问题严重的局部区域需要不同程度增加森林覆盖率。5、通过对北京市城市森林需求量研究发现，虽然在市域范围内北京森林覆盖率达到了国家标准，但是山区森林覆盖率、平原林木覆盖率、城区人均森林面积不足；从区域热平衡和碳氧平衡角度分析，城区和郊区不能满足本区域的城市森林需求量，虽然北京市城市森林具有一定的发展潜力，整体上基本可以满足城市需要，但是这些区域需要依靠周边区域城市森林的补偿。6、根据以上的研究结果，以中国森林生态网络体系建设的点、线、面布局理念为指导，以&林网化——水网化&作为优化理念，将北京市整个市域划分为城区近郊区及其辐射区域，平原区和山区三大区域，依据三大区域特点进行城市森林布局优化。

In this study, 22 ground field plots were set up in the leucocephala invasion areas. Important value index and Two-way indicator species analysis were used. According to the levels of invasion of leucocephala that can be divided into three forest types: Vitex negundo-Leucaena leuococephala type, Acacia confuse-Leucaena leuococephala type and Murraya paniculata-Leucaena leuococephala type. The companion plants are Acacia confuse, Vitex negundo, Bridelia monoica, and Melanolepis multiglandulosa.

本研究於银合欢入侵区域，设置22个地面调查样区，利用重要值指数及双向指标种分析，得知银合欢入侵，依入侵程度不同可分为埔姜－银合欢型(vitex negundo-Leucaena leuococephala type)、相思树－银合欢型(Acacia confuse-Leucaena leuococephala type)及七里香－银合欢型(Murraya paoiculata-Leucaena leuococephala type)三型，而主要伴生树种为相思树、埔姜、土密树、虫屎等。

Aiming at the hardware architecture of high performance muter system , this paper analyze and study the fault forms in muter system carefully and set up relevant fault models for these forms , and take fault models reduction into account .

本文针对路由器的硬件体系结构，详细分析了路由器系统中的故障形式，建立了相应的故障模型，并着重进行了故障模型的化简。

Aiming at the hardware architecture of high performance muter system , this paper analyze and study the fault forms in muter system carefully and set up relevant fault models for these forms , and take fault models reduction into account .

1/3页12 3 摘要：本文针对路由器的硬件体系结构，详细分析了路由器系统中的故障形式，建立了相应的故障模型，并着重进行了故障模型的化简。

To set up a quantitative suspension mycobactericidal test, and study the efficacy of 6 frequently used disinfectants against mycobacteria.

目的： 1。建立分枝杆菌定量杀灭试验方法，研究常用消毒剂对分枝杆菌的杀灭效果。

This article is divided to six parts: The introduction has partially cleaned up the clue of the Kuomintang's literary policy and the literature movement,as well the neglection and sophistication to this by partial history of literature,brought forward to taking the "Literary Pioneer" as a foundation stone to study, in order to clear off the the venation of literature development and return the liberature to original state historically and concretely .

本文共分六个部分：导言部分清理了国民党的文艺政策和文学运动所形成的线索以及部分文学史对此的忽视和改写，提出以《文艺先锋》为一个生发点，以便理清文学发展的脉络，具体地、历史地还原文学的原貌。

The study of sedimentary facices indicate that they are made up of the tidal shore system, the wave shore system and neritic shelf system.

沉积相研究表明，它们主要由潮坪滨岸体系、海滩滨岸体系及浅海陆棚体系三种沉积体系构成。

Innovative Results】Based on study on colorectal cancer screening in Xiacheng district,the results have showed that①The CRC screening in urban area based on guideline established by our units had the same good results as in rural area.High risk factors questionnaire investigation had important role in CRC screening and it can make up the shortcomings of iFOBT and detect nonbleeding lesions,especially precancerous lesions such as adenomas and polyps;②Each high risk factor was sorted according to sensitivity and specificity for the first time among natural population in city.

通过对下城区大肠癌筛查的研究①首次证明来自于中小城市农村的大肠癌筛查方案对城市社区自然人群与中小城市农村的自然人群一样具有较好的检出效果，证明了问卷调查对大肠癌筛查的重要作用，能弥补iFOBT不足，发现其不能检出的包括不出血病变，尤其是腺瘤、息肉；②首次在城市社区自然人群中对各高危项目根据诊断的敏感度及特异度进行了排序。

Methods Nondepressed elderly of the study on the prevalence of depression among the elderly was followed up with a oneyear interval by using the GMSAGECAT and MDS.

以老年精神状况量表计算机统计系统与最小抑郁危险因素量表为调查工具，对基线调查时确定的非抑郁老年人进行队列研究。

They go to town. Would you just ask them?

他们在城里你能问他们吗？

Ossein pretreated for a2 weeks period exhibited the maximum% yield incase of bone gelatin, while the yield from intact skin was higher than that realized incase of de-scaled skin.

预处理时间达2星期的骨胶原表现出最高的骨明胶百分产量，然而从未处理鱼皮中得到的产率比去鳞的鱼皮得到的要高。