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The 2000 series Ethernet Switch was designed by ZTE corporation up to date, which was located in the core networking. And it also could be used in WAN and MAN.In practical networking, there is "Broadcast storm(the network is blocked by too many broadcast packet)"as a result of ethernet ring, which seriously effect the network cap- ability.

2000系列以太网交换机是中兴通讯股份有限公司最新研发的、具备路由功能的以太网交换机，定位于企业网的核心层和汇聚层，能够应用于运营商网络，作为电信城域网的汇聚交换机、接入交换机来使用。

As home the hottest SNS website opens heart network (Kaixin001.com) CEO, cheng Binghao has some of irritated heart recently: Last year in October the middle ten days of a month, interactive group division leaves 1000 rubber tree the website of Wu of a homonymic a person of same business (after the line on Kaixin.com), ceaseless cutworm feeds the market, the vermicelli made from bean starch that this lets numerous and happy net people differentiate is not clear true and false.

作为国内最火爆的SNS网站开心网（kaixin001.com）的CEO，程炳皓最近有些烦心：去年10月中旬，千橡互动集团旗下一家同名同业务的网站上线后，不断地蚕食市场，这让众多开心网的粉丝们辨不清真假。

Summary: erythritol,an all- natural bull sweeter,offers sensorial as well as functional benefits for use in such food. it can improve taste quality by adding body and mouthfeel,and it is capable of masking unwanted off-flavors often associated with intense sweeteners.

赤藓糖醇是一种清华紫光的官方网天然甜味剂，它可以在功能性食品中使用，它能带来良好的口感，给人清华紫光的官方网的味觉。

"Net inn should move hundreds of kinds of goods of hypostatic inn to the net as soon as possible not only, what still will use Internet next is convenient the person with the net that clean out treasure is angry, roll out Shaolin Temple to jubilate experience of ground substance inn serves book a project."

"网店不仅要尽快将实体店的几百种商品搬到网上，下一步还将利用互联网的便捷和淘宝网的人气，推出少林寺欢喜地实体店体验服务的预订项目。"

And designs a new algorithm which can judge whether or not a given nonnegative integral vector corresponds to a friable trasition sequence. Then the algorithm is used to analyze the reachability of net system which has unique reachable vector or has no T-invariants.

4对可达性与可达方程可满足性相互等价的证明进行补充，给出一个判定非负整数向量是否为可执行向量的判定算法，最后利用该算法对唯一可达向量网和不含T-不变量的Petri网的可达性进行判定。

Therefore, the early use of low-permeability reservoir development Diamond Anti-9:00 Well, diamond crack parallel to the main diagonal directions along the crack edge wells to increase water efficiency by the degree of widening further suppress the injection wells, well away from the row Kadoi premature flooded, and the overall benefit of fracturing; in the latter part of the diamond-shaped anti-9:00 Well Well turn the corner to form staggered rows like water injection means, thereby maintaining a high production rate and phase out the extent of mining.

因此，低渗透油藏开发初期使用菱形反九点井网，菱形主对角线平行裂缝方向，沿裂缝注水增加边井受效程度，拉大的井距又可抑制注水井排的角井过早水淹，且利于整体压裂改造；中后期将菱形反九点井网的角井转注形成交错排状注水方式，从而保持较高的采油速度和阶段采出程度。

The interference produced on secondary cable is discussed in this paper.The effects of soil resistivity, relative permittivity, the density and area ofgrounding network are described.

论文对端部连接在地网上的二次电缆受到的干扰进行了分析，计算了土壤电阻率、相对介电常数、地网的疏密程度以及地网面积对电缆端部芯皮电位差的影响。

In every subarea system, the sequential quadratic programming algorithm is used to solve the optimization problem of the subarea system.

采用构造辅助问题的方法进行分布式并行计算，将大型互联电网最优潮流问题分解为多个子网的并行潮流优化问题，在每个子网中，采用序列二次规划法求解子系统的的优化问题。

Result:After removal of the bilateral lower molars, the remodeling and degenerative activities in different layers of the condyles increased, such as vesiculation of endoplasmic reticulum, distortion of mitochondria and increase of lysosome. Furthermore, the sequential arrangement of collagen fibrils was disturbed, the collagen network broke down and the proteoglycan granules decreased.

结果：细胞发生了不同程度的改建及退行性反应，如粗面内质网的扩张，线粒体肿胀，溶酶体增多等；基质中胶原原纤维的有序排列结构消失，胶原网受到破坏，同时蛋白多糖颗粒减少；基质中脂质小体及基质小囊等成分增多；负重区较非负重区的改变更显著。

"Explore the magnetic field spirit beside you to enrage at any time and place, want to press button only,' soul detector ' can tell you with color, careful it may be beside you..." the back after the Xiaozhou that browsing the net that clean out treasure is frightened by such ad saying is straight algid, one the name is " soul detector " the product is cleaning out heat of treasure net inn not less to sell.

&随时随地探测你身边的磁场灵气，只要按一下按钮，'鬼魂探测器'就会用颜色告诉你，小心它可能就在你身边……&正在浏览淘宝网的小周被这样的广告语吓得后背直发冷，一个名为&鬼魂探测器&的产品正在不少淘宝网店热卖。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐