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The result indicates that radiation gain and power transmission coefficient from tag antenna to chip should be considered in the first place in order to ensure the basic reading and writing distance of the tag. The way to improve power transmission coefficient is to design the tag antenna and make sure its input impedance conjugate matching to the chip input impedance.

研究结果表明，为保证标签天线的基本读写距离，在设计标签天线时，需要首先考虑天线增益和标签天线到芯片的功率传输系数，提高功率传输系数的途径就是调整标签天线与芯片的输入阻抗并使它们尽可能实现共轭匹配。

The method to configure RED parameters based on network properties is also presented. Simulations show that the modified Random Early Detection algorithm really performs better than the original Random Early Detection algorithm and can work for a much wider range of traffic. Finally, whether the assured service mechanisms i. e. an edge router tags every arriving packet of a TCP flow based service profile and core router drops packets differently at congestion using active queue management scheme is possible to provide a throughput consistent with target rate, is investigated under different network scenarios. Different factors including target rate tagged algorithm, RIO algorithm and TCP congestion control mechanism how to affect the throughput of an assured service TCP flow are examined. Based on a fluid model. we then derive a model of an assured service TCP flow, which is the function of round trip delay, packet loss rate and token bucket parameters. Based on this model, we observe that in some cases it is possible to regulate the token bucket parameters to gain a consistent throughput with the target rate, while in other cases there exist ranges of values of the achieved rate for which the token parameters have no influence. With the latter, some modified TCP congestion control mechanisms to assure TCP throughput are proposed.

最后，在区别服务网络结构内，研究了当前提出的一种边缘路由器根据服务合同标记、分类数据包，结合内部路由器采用主动队列缓冲管理机制区别处理数据包的确信服务机制是否可在不同网络情况下使TCP连接获得同目标速率相一致的、公平的吞吐量问题；指出影响TCP连接获得同目标速率相一致吞吐量的主要因素是目标速率大小、标记算法参数和TCP连接的拥塞控制算法；对此，基于流模型假设，首次推导出一个以端到端时延、数据包丢失率、漏桶参数为变量的确信服务TCP连接吞吐量模型；利用这个模型进行分析，得到主要结论是在一些情况下可通过设置合适的漏桶参数得到同目标速率更一致的吞吐量，而在另一些网络情况下不管如何设置漏桶参数都不能使TCP连接获得同目标速率一致的吞叶量；对于后一些情况，还初步讨论了改进TCP拥塞控制算法来改善TCP连接性能的方法。

As time goes by, Green Globe 21 will gain more recognition and support from visionary people in China, and it will play a more positive role in China's tourism development.

相信随着时间的推移，绿色环球21将会得到更多有识之士的认同，并在中国旅游业发展中发挥更加积极的作用。

In addition, the approach is able to avoid the requirement of the upper bound of the first time derivative of the control gain, which is assumed to be known a priori in some of the existing adaptive fuzzy/neural network control schemes.

该方案能够避免现有的一些自适应模糊/神经网络控制器设计中对控制增益一阶导数上界的要求。

In recent decades, in order to gain higher and more steady yields of tea, the planting patterns were changed and the chemical fertilizers and insecticides were heavily applied, which inversely influenced the ecosystem of the tea plantation .

近几十年来，由于茶树种植栽培方式的改变和化学肥料、化学农药的大量使用，在保证茶叶高产稳产的同时，也给茶园的生态环境带来负面影响。

In recent decades, in order to gain higher and more steady yields of tea, the planting patterns were changed and the chemical fertilizers and insecticides were heavily applied, which inversely influenced the ecosystem of the tea plantation.

近几十年来，由于茶树种植栽培方式的改变和化学肥料、化学农药的大量使用，在保证茶叶高产稳产的同时，也给茶园的生态环境带来负面影响。造成生物多样性指数降低，优势病虫种群突出。

During grain storage, ALP was divided into as fumigating pharmaceutical after sealing in order to store at low dosage. When the gas composition mensurated, using the rubber stopper which with double hole to get back PH3. In the gain bulk this method can retain the concentration of PH3, extend the period of validity, disinsection and sterilization, ensure safety of grain stored .

粮食在储藏过程中，粮堆密闭后投入磷化铝片剂进行低剂量保管，在测定密闭粮堆内的气体成分过程中，用双孔橡皮塞将PH3气体回收到粮堆内，使粮堆内更好地保持PH3浓度的含量，延长其有效期，起到杀虫杀菌的作用，达到安全储粮的目的。

In the first part of the thesis, we propose and investigate experimentally a gain-clamped S-band erbium-doped fiber amplifier, a stable and single-longitudinal-mode oscillation of an S-band EDF ring laser. The behaviors and performances of the S-band amplifier have also been discussed in the text.

本论文的第一部分是提出一个S频段的增益箝制掺铒光纤放大器（Erbium-Doped Fiber Amplifier： EDFA）与一 S 频段的单模光纤回路型雷射。S频段的增益箝制EDFA的光特性与其行为都在本文中被探讨。

On our reference 1.0 gain screen, the EX525ST measured 61% uniformity, with the brightest spot appearing in the bottom center of the image - in other words, the spot closest to the lens.

在我们的参考1.0增益屏幕，EX525ST测61％的一致性，与亮的图像的底部中心位置出现-换言之，最接近现场的镜头。

On our reference 1.0 gain screen, the EX525ST measured 61% uniformity, with the brightest spot appearing in the bottom center of the image - in other words, the spot closest to the lens.

我们参考1.0增益屏幕， EX525ST测定61 ％的一致性，与亮点出现在底部中心的形象-换句话说，当场最接近镜头。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。