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But the back propagation algorithm often gets into the minimum value and its constringent speed is slow. Aim at the gases, we design a optimum back propagation algorithm.

传统的前馈神经网络多采用误差反传学习算法对网络进行训练，但是误差反传学习算法具有容易陷入局部极小值，收敛速度慢以及容易导致震荡等缺点。

Lots of people can come back from a cruciate injury, but not many people come back better from a cruciate injury.

&很多人从韧带伤病中恢复，但是他们恢复的不一定很好，我不认为掩饰是一件很好的事情。&

The roller as a business card printing and membership card making full field of gravure cylinder at the same time looking for a non-staining of rubber sleeve or printed full field of flexographic printing plate cylinder as a stepping-stone for gravure printing embossing drum, adjust the printing cylinder impression of movement and the roller for deink action to guarantee that when on the back of the paper with ink, outages on the back of paper roller left at a distance, to prevent the incidence of the light seeping through the paper.

不兵网纹辊当怠工一个制卡和会员卡制息满版实不天的不凸版滚筒，同时找一个无递缝的橡胶不脱色套筒或印满版实不天的柔版印版滚筒当怠工瘪印的不抬印滚筒，调动好印版滚筒的离不合不抬动息与网纹辊的不求脱不朱动息，包管闭机时纸的不不面后着不朱，转机时纸的不不面后离闭网纹辊必定间隔，以制止纸弛因浸干而爆不收断裂。

Theere is an automatically partition future.in addition of file compression .u can still use them write delate edit in compressed format .it usuful in case of back up but keep in your mind that your back up should be limited in 80 gig theere是一种自动划分future.in

除了档案压缩。美国仍然可以使用他们写戴拉特在编辑压缩格式。它usuful情况备份，但要在你的心目中，你的备份应有限80鱼叉

Theere is an automatically partition future.in addition of file compression .u can still use them write delate edit in compressed format .it usuful in case of back up but keep in your mind that your back up should be limited in 80 gig 外语是一种自动划分future.in

添加压缩档案。美国仍然可以使用压缩编辑写信delate格式。它电磁波备份而是不断发生在你心目中认为你应该备份有限公司鱼叉80

In a typical trip out of the hole, the derrickman wears a special safety harness that enables him to lean out from the work platform to reach the drillpipe in the center of the derrick or mast, throw a line around the pipe and pull it back into its storage location until it is time to run the pipe back into the well.

在典型的起钻过程中，井架工系上特殊的安全带，这样能够使他从工作平台上倾斜去接近位于井架或者桅架中央的钻杆，扔一根绳子去缠绕钻杆，然后拉动钻杆到其存储的位置，直到再把这些钻杆下入到井眼时为止。

Results The rate of postoperative lumbar discitis is 1.3% in this group,2 cases suffered from serious back pain, spasm and legs spasm, other 4 cases suffered from serious back pain and fever, all the patients whose ESR,C-RP were high, 4 cases were operated ,the speci...

结果：本组术后腰间盘炎的发生率为1.3%，2例有腰部剧痛、痉挛伴下肢抽搐，余4例呈腰部剧痛伴发热，患者血沉及C反应蛋白均升高，4例行手术治疗，术中取材细菌培养均阴性。2例行保守治疗，6例病人均在术后2个月内症状明显减轻，，3～6个月随腰椎间隙融合而症状缓解。

Time graded schemes such as over-current or distance protection schemes are examples of those providing inherent back-up protection; the faulty section is normally isolated discriminatively by the time grading, but if the appropriate relay fails or the circuit breaker fails to trip, the next relay in the grading sequence will complete its operation and trip the associated circuit breaker, thereby interrupting the fault circuit one section further back.

过流保护或距离保护可作为前一种方案的例子，通常采用分时限区别来隔离故障段，如果相应的继电器拒动或断路器拒跳，按时限下一个继电器动作跳开有关的断路器，这样就断开了故障回路的下一段。采用这种方法就获得了完整的后备保护。

Corona lobes usually conspicuous, adnate to back of stamens, erect, apex free, dorsally compressed, with board-shaped processes on back, minute or absent.

通常明显的副花冠裂片，贴生于雄蕊，直立，先端离生的背面，背压扁，板形成突起的具关于后面，小或无。

Spikelets with 1 floret, small, often gaping, without rachilla extension; rachilla disarticulating above glumes; glumes persistent, longer than floret, subequal or lower a little longer, membranous, 1-veined, apex subacute to acuminate; floret callus glabrous or shortly pilose; lemma oblong to elliptic, thinner than glumes, often hyaline, 5-veined, rounded on back, glabrous or hairy, lateral veins sometimes excurrent, awnless or awned from back, apex truncate or toothed; awn usually geniculate, sometimes weakly so or straight when short; palea shorter than lemma, sometimes very small.

小穗具1小花，小，张口的通常，没有小穗轴扩展；高于颖片脱节的小穗轴；宿存的颖片，长于小花，下部的近等长的或稍长些，膜质，1脉，先端近尖的到渐尖；无毛的小花结茧或者具短柔毛；外稃长方形到椭圆形，比颖片瘦，经常透明，5脉，通常膝曲，有时身体虚弱的芒或者直接，缺乏；内稃短于外稃，有时很小。

Lugalbanda was a god and shepherd king of Uruk where he was worshipped for over a thousand years.

Lugalbanda 是神和被崇拜了一千年多 Uruk古埃及喜克索王朝国王。

I am coming just now,' and went on perfuming himself with Hunut, then he came and sat.

我来只是现在，'歼灭战perfuming自己与胡努特，那麼，他来到和SAT 。