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Based on varying process of generator terminal parameters after excitation fault, shortages of excitation protective principle of static stability boundary and asynchronous impedance boundary are analyzed. It proposed that excitation fault research relates to large-disturbance stability. Because dynamic power-angle character of generator after excitation fault is non-sinusoidal, there are differences between dynamic power-angle character and static state power-angle character. So it isn't ideal to protective operation result based on small-disturbance stability and static stability boundary criterion. At the same time, it proposed that asynchronous boundary impedance criterion is a constant reactive power circle moving adown j Xd′. It can ensure complete loss-of-excitation generator measuring impedance enter into the circle, but can't ensure the other condition measuring impedance including impossible losing synchronism enter. So loss-of-excitation protection would be maloperation when system voltage drops short and recovers or generator rejects load.③Based on stability principle, it puts forward setting conditions and calculation method of generator loss-of-excitation protection by direct measuring power-angle.

以励磁故障后发电机端的相关参数的变化为基础，通过对以静稳定边界和异步阻抗边界作判据的两类三种现行励磁保护在原理上存在的缺陷分析，发现：励磁故障是一个大干扰稳定性问题，励磁故障后的发电机的动态功角特性与静态功角特性有很大的差异，已远非正弦曲线，因此基于小干扰稳定性原理、以静稳定边界作判据的保护必然动作不理想；异步边界阻抗判据是一个下移j Xd′的等无功阻抗圆，它可以保证完全失磁后的发电机测量阻抗能进入该阻抗圆，但不能保证完全失磁之外的其它状态不会进入该阻抗圆，因此在系统电压短时下降或发电机突然甩负荷等情况下可能启动该保护使之误动。

Treating with coils as aeolotropy, this paper brings forward a set of mathematical mode for computing internal stress distribution of coil in the process of coil coiling, in which some factors are taken into account, such as the transverse distribution of shape, crown and curl tension of the strip, the friction between the strip and the reel, the friction between strips, and etc. Because the reel shrinkage and the inner circle of the strip losing radial restrain and circumferential restrain can induce interlayer slipping and the change of the whole coil compactedness , the assumption concerned ——"virtual reel" in the process of coil uncoiling is put forward, which takes the form of slow action to express the uncoiling process and, therefore clearly simulates the variation course of internal stress distribution of coil in the process of coil uncoiling.

考虑到带材板凸度、卷取张力的横向分布以及带材与卷筒之间、带材与带材之间的摩擦力等因素的影响，并将钢卷按各向异性体处理，提出一套计算卷取过程中钢卷内部应力分布的数学模型；同时考虑到卸卷过程中由于卷筒的收缩，钢卷内圈失去径向和周向约束而引起层间滑移及整个钢卷紧密程度发生变化，提出钢卷卸卷过程中有关"虚拟卷筒"假设，将卸卷过程以"慢动作"的形式表示出来，清楚地模拟出卸卷过程中钢卷内部应力分布的变化历程。

Person goes on foot in in the world , goes on foot in time, in going on foot losing the way against one's will in self.

人在世界上行走，在时间中行走，无可奈何地迷失在自己的行走之中。

MY: In a contrary way, losing the ability of recog a nizing the self-dissaticfied , we will doggle into the mud of siduate ; after all, aggrieve experiences make our consicious more acute .

相反，失去了认知自我不满的能力，我们将陷入庸懒的泥沼；毕竟，痛苦的经历使我们的意识更加敏锐。

This paper used the statistic data of Tianjin air passenger reduction survey, and summarized the objective factors of losing air passengers and analyzed the subjective factors for the loss, and then, the passenger throughput of Tianjin airport and the reduction volume of air passengers in 2006 were forecasted.

本文应用天津航空旅客流失调查的统计数据，总结天津航空旅客流失的客观因素，对流失原因的主观因素方面进行剖析，并对2006年天津机场旅客吞吐量和2006年航空旅客流失数量作出预测，估算了天津航空市场容量。

But for China's diplomacy, the tragic ending is probably losing own behavioral logic into American great-power logic to adopt America-like diplomatic policy, which is not alarmism.

但就中国外交而言，最悲惨的结局可能就是失去了自己的行为逻辑而陷入美国的大国逻辑，采用美国相仿的外交政策。

One is to let the albino dungeon-keeper of your subconscious kill the very thing you fear losing.

选择一，让那位白色牢笼守候人--你的潜意识--把你害怕失去的东西杀死。

He had a long, uphill battle throughout the day, but in the end, he was one of the happiest men in the country.After losing a hill-hill nailbiter to David Alcaide of Spain, who was the winners'-side final winner, on Saturday night, Peach was faced with trudging through the one-loss side on Sunday.

他有一个长期，一场艰苦的战斗在整个天，但在最后，他是一个快乐的男子，在country.after失去了一宗山火-希尔nailbiter大卫阿尔凯德的西班牙，谁是winners'方最后的赢家，上周六夜，桃面对trudging通过一个损失方就周日。

Having a product that fails during usage is almost equivalent to losing a customer.

产品在使用过程中失效，可以说相当于失去了一位客户。

Parrondo's paradox describes that given two games, both of them are losing, when alternated in a periodic or random fashion, can produce a winning result. In this paper, we theoretically analyze the situation that game A and B are played in any alternating order using discrete Markov chain technique when modulo M is equal to four.

Parrondo悖论定律为对于给定的两个博弈，如果每个博弈输的概率都大于赢的概率，那么当这两个博弈随机或周期进行时就可能产生一种获胜的结果。

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。