优缺点

The experimental results showed that there were higher yield and bromine content when the bromine/peroxides method was used.

采用溴／过氧化物法和NBS法对五溴甲苯进行苄位溴化，合成了五溴苄基溴，比较了两种方法的优缺点。

The subjects of the research were four classes of 6th graders from an elementary school in Taipei City, dividing into an experiment group and a control group, two classes in each group. The course studied carried on quantitative analysis with the score of pretests, posttests and deferred tests to explore the results of learning between the experiment group and the control group and also carried on quality analysis with the concept maps and the information of interviews collected before, within, after the teaching to explore the concept transformation. Finally, researcher analyzed the advantages and disadvantages of applying the DAPA strategy in electromagnetic function with the data of observation and introspection. The important results of the study were summarized as below

研究对象为台北市郊区一所中型学校六年级四个班级，分为实验组、控制组各二个班，研究过程以学童的成就测验前、后、延宕后测成绩进行量化分析，探究实验组、控制组的学习成效是否达到显著差异；再以学童的教学前、中、后概念图、晤谈纪录进行质性分析，探究学童概念学习历程；最后依研究者自己的观察纪录与内省进行分析，找出DAPA教学策略应用在电磁作用单元时的优缺点，经研究后所得到的重要结果如下

It is instructional to practice. Firstly the article analyses the current problem in agriculture logistics in China ,and proffers the importance and urgency of developing the agriculture logistics ,analyses detailtedly some common arithmetic models in planning logistics node , and their respective merits and shortcomings and adaptive ranges, then...

文章首先分析我国当前在农产品物流中存在的问题，提出发展农业物流的重要性和迫切性；其次，详细地分析了常见的几种物流节点数学规划模型及其各自的优缺点与适应范围，再通过定性与定量相结合对物流方案进行评价，确定物流节点的最优方案；并通过一个具体实例进行方案评价的论证；进一步提出发展农产品物流的一些思考；最后提出建设物流信息平台的重要性

The motion scope judgement search method based prognosticating the search beginning point, it utilizes the time relativity and the space relativity of block to prognosticate the search beginning point, and adopts the different search pattern according to the block motion scope, the search efficiency is close to the Three Step Search, which proves the feasibility of researching the new efficient motion estimation algorithm according to the characteristic of block motion to use the different search methods; In the end, this paper evaluates the advantage and disadvantage of the different fast algorithms through the data get from the experiment, it will have some reference value to bringing the new and effective motion estimation fast algorithm in the later research.

基于预测起点的运动幅度判断搜索法，该算法利用块的时间相关性和空间相关性来预测搜索起点，根据块的运动幅度大小分别采用不同步长的搜索策略，搜索效率比较接近三步法，证明了根据块运动的特性以结合运用不同的搜索算法来研究有效的运动估计算法的可行性。最后本文通过实验得来的数据来定量地分析评价各快速算法的优缺点，对今后提出新的更有效的运动估计快速算法具有一定的参考价值。

With regard to traditional replace policy in buffer, the thesis propounds an improved adaptive LRU replace policy on basis of researches on merits and faults of various algorithms.

研究各传统缓冲区替换算法的优缺点，提出一种改进的自适应LRU替换算法。

So this paper gives a thorough research work in the characteristics of the system, and dynamic two model of ball mill pulverizing system.

在此基础上，分别建立了钢球磨煤机制粉系统的常规单回路PID控制过程仿真系统和基本模糊控制仿真系统，并对它们的控制效果进行了仿真比较，分析了两种控制各自的优缺点和存在的主要问题。

Furthermore the author concluded that of waste tire retreading and rubber powder producing are better routes for the treatment of large batch waste tire and have a fine development foreground.

介绍了目前国内外处理废旧轮胎的主要方法及途径，重点论述了废旧轮胎翻新、热解、制造胶粉的应用情况和研究进展，分析了各种方法的优缺点，指出废旧轮胎翻新和制造胶粉是能大批量处理废旧轮胎并具有良好发展前景的处理方法。

Finally, the advantage and disadvantage of various retrofitting methods are discussed, and the proposals for reinforcing railway piers with low reinforcement ratio are suggested.

对桥墩的加固问题进行了讨论，比较了各种加固方法的优缺点，对低配筋铁路桥墩的加固提出了建议。

Usage of is wider and wider. On the basis of developing history of CT, the paper describes the advantages and disadvantages of CTD,CT drilling rig system, underbalanced CTD and through tubing sidetracking technique of CT.

在概述连续软管发展史的基础上，叙述了连续软管钻井的优缺点、连续软管钻机系统、欠平衡连续软管钻井及连续软管过油管侧钻技术，介绍了国外石油公司利用连续软管钻井的先进经验。

This review focuses on newly developed strategies for miRNA quantification, and elucidates in detail the probe-hybridization based methods including Northern blotting, microarray, gold nanoparticle labelling, and splinted ligation with radioactive labels. The amplification-based methods including quantitative PCR, rolling cycle amplification, invader assay, and the next generation sequencing methods were also discussed. The advantages and disadvantages of these methods were compared.

文章系统地介绍了最新发展的microRNA定量检测方法，详细阐述了基于探针杂交技术的Northern blotting法、微阵列芯片法、纳米金标记法、桥连同位素标记法，以及基于扩增技术的定量PCR检测法、滚环扩增法、引物入侵法和新一代大规模高通量测序法等，并对这些方法的优缺点进行了分析比较。

Singer Leona Lewis and former Led Zeppelin guitarist Jimmy Page emerged as the bus transformed into a grass-covered carnival float, and the pair combined for a rendition of "Whole Lotta Love".

歌手leona刘易斯和前率领的飞艇的吉他手吉米页出现巴士转化为基层所涵盖的嘉年华花车，和一双合并为一移交&整个lotta爱&。

This is Kate, and that's Erin.

这是凯特，那个是爱朗。