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With scheduling algorithms FIFO,the communication model is set up and network elements' arrive curves and service curves are derived for a switched industrial Ethernet model with two levels' tree topology.Then,analytic expressions of the worst case end-to-end delay,buffer size and output burstiness are presented,the maximum network delays of real-time data are calculated based on derived results.

针对FIFO调度算法，对两级树型拓扑结构的交换式以太网系统建立了通信模型，推导出各网络元素的到达曲线和服务曲线，由此得到了最大时延、所需缓冲区大小、输出突发量等实时业务流的主要参数解析表达式；利用推导所得结论计算了实时业务流的最大网络时延。

The invention discloses a judging method of false path connecting condition in the packet-switching network, which is characterized by the following: increasing false path operational management and maintenance report to detect the interconnection condition of false path; receiving the report through end service equipment; responding corresponding report; regarding the false path normal among service equipments after the local end service equipment receives the respond report within preset time.

一种包交换网络中判断伪线路连接状态的方法，增加伪线路操作管理和维护报文，用于伪线路连通状态检测；本端服务设备发送所述的伪线路操作管理和维护报文，对端服务设备接收到所述的伪线路操作管理和维护报文后，回复相应的伪线路操作管理和维护报文；当本端服务设备在预设时间内收到所述回复的报文后，认为服务设备之间的伪线路正常。

The result makes clear, force of the grinding when using emery wheel of cast-iron bond diamond to undertake ELID grinding asks at any time scarcely change and change, and the change that adopts the grinding force when common grinding means undertakes grinding to let time increases ceaselessly, online electroanalysis the grinding function that nap makes emery wheel keeps good from beginning to end in grinding process, be helpful for saving time of emery wheel nap, improve treatment efficiency.

结果表明，采用铸铁结合剂金刚石砂轮进行ELID磨削时磨削力几乎不随时问的变化而变化，而采用普通磨削方式进行磨削时的磨削力随时间的变化不断增大，在线电解修整使砂轮在磨削过程中始终保持良好的磨削性能，有利于节省砂轮修整时间，提高加工效率。

In SONET, the basic Bellcore reliability criterion is an end to end two way availability of 99.98% for interoffice applications (0.02% unavailability or 105 minutes/year down time).

SONET中，基本贝尔通信研究所可靠性标准为端到端双向99.98%可靠性，用于局间应用（0.02%非可靠性或每年不可用时间为105分钟）。

This invention discloses a safety authenticating method for PC customer end including PC customer end presents registration request to a service via ID number and cipher, the server makes the first authentication based on customer ID number and the cipher to generate a field of reauthentication if it's passed to be fed back to PC customer end along with the finished authentication message; when PC customer end makes calls, it will send ID number and field of reauthentication during registration to media gate controller which transfer the ID number field of reauthentication to be server for second time authentication and refuse the calling if it's not passed, or receive the calling and feeding back the called information.

要约 本发明公开了一种PC客户端的安全认证方法，包括：PC客户端通过用户ID号码和密码，向服务器发起登录请求；服务器根据用户ID号码和密码进行第一次认证，若认证通过，生成一个用于再次认证的字段，并随认证通过消息返回给PC客户端；当PC客户端发起呼叫时，将用户ID号码和登录时获得的再次认证的字段一起传送给媒体网关控制器；媒体网关控制器将该用户ID号码、再次认证的字段一起传送给服务器进行第二次的认证，若认证没有通过，则拒绝呼叫，否则接受呼叫返回被叫信息。

The method includes following steps:(1) initial frequency selection;(2) based on modulation mode adopted, the sending end carries out symbol mapping, changes signal spectrum based on label information of sub channel, and sends signal in time domain;(3) based on label information of sub channel, the receiving end carries out equalization for received signal, demodulates signal and accomplishes judgment;(4) carrying out channel estimation or prediction, the receiving end obtains updated information of signal state, and determines whether label information of sub channel is needed to update based on self-adapting judgment rule.

本发明提供了一种移动宽带信道中的自适应选频分块传输方法，该方法包括以下步骤：(1)初始选频；(2)发端根据所采用的调制方式进行符号映射，根据子信道标记信息改变信号频谱，并发送时域信号；(3)收端根据子信道标记信息对接收信号进行均衡，解调信号并完成判决；(4)收端进行信道估计或预测得到更新的信道状态信息，根据自适应判断规则，判断是否需要更新子信道标记信息。

Remembered to guard a gate to lock up carelessly once, really frightenned at that time silly, flustered don't know how is good, but he very Ping-ho said, doing not be nasty can always solve of, end make sure 2 kinds to open the door a way, 1 kind is to spend 100 dollars call open the door to lock a company, 1 kind is to pass a neighbor veranda into house, we choose the latter, ascending veranda that a moment to be one at my husband surprised be subjected to afraid, after more than 10 minutes the family open, everything is in I weep over end, pass this matter, I like my husband more and more, because he meets the matter steady not disorderly style, optimistic bright personality, I want toward him to study, studying, studying again.

记得有一次不小心把门锁上了，当时真的吓傻了，手忙脚乱不知道怎么是好，他却很平和的说，别急总能解决的，最终确定了2种开门方式，一种是花100元叫开门锁公司来，一种是通过邻居阳台进家，我们选择了后者，在我的老公登上阳台那一刻真是叫人担惊受怕，十几分钟后家门打开了，一切在我的哭泣中结束了，通过这件事，我越发的喜欢我的老公了，因为他的遇事平稳不乱的风格，乐观开朗的性格，我要向他学习，学习，再学习。

7 The production line put into operation early days of back-end electrostatic precipitator emissions standard will be replaced by silicon high-voltage power supply source of cross-flow, but the effect of the use of the electrostatic precipitator has been unsatisfactory, the original equipment set up ten-speed manual adjustment Stalls in the campaign, the number of open stalls in a process can only be adjusted under the best of the stalls, not with the technology changes and regulation at any time, the impact of collecting results in the actual operation can only be the largest transfer Six to file.

3.3.7该生产线投产初期，窑尾电收尘器排放超标，将可控硅高压电源更换为横流源供电，但电收尘器的使用效果一直不理想，原设备设置十档手动调节档位，在运动时，档位开的数量只能调整在某一工艺状态下的最佳档位，不能随工艺状况的变化而随时调节，影响收尘效果，在实际运行中最大只能调至六档。根据电场面积计算，高压整流柜额定电流应选取1600mA，而实际为1500mA，选用型号偏小。

About now you can use the saber saw one last time to cut holes in either end of the bottom half of the top barrel and mount the two smokestacks (again, don't forget those dampers).

现在您可以使用军刀看到一最后一次削减孔在两端的下半部顶端每桶装入两个烟囱（再次，不要忘记那些阻尼器）。

In the same way the Lord will defend the end-time new Jerusalem and the camp of the saints when Gog and Magog will come to surround it in order to invade it but will be consume by fire and brimstone from heavenRev.

以同样的方式将捍卫上帝结束时新的耶路撒冷和营地的圣人当戈格和玛各会来环绕，以侵略，但将消耗火灾和硫磺从天上（修订版第20章）。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。