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With the guide of non-linear program theory, by using interpolative steps and inexact line search, an improved conjugate gradient method was found, by which the training rate of BP networks increases by tens or hundreds of times. Moreover, the improved method is effective to solve non-linear equations for which Newton's method does not converge owing to the problems of the quadratic derivative and inverse matrix.

通过大量的数值模拟试验发现,在非线性规划理论的指导下采用间插步骤和不精确的一维搜索技术改进的共轭梯度法,是基于梯度和共轭方向的连续搜索算法中最有效的算法,这种算法使BP网络的训练速度提高几十到几百倍,使BP网络的实际应用效果大为改善;而且这种算法对于用牛顿法由于求二阶导数和求逆矩阵等问题难于收敛的非线性方程组的求解也是很有效的。

The three maxillary molars at the experimental sides were moved as one unit mesially by a Sentalloy coil spring delivering a force of 10 cN over a long range of activation. The contra-lateral molars served as controls. At 1, 2, 4, 8, and 12 weeks groups of animals were killed for histological evaluation.

实验侧的三颗磨牙用结扎丝颌粘接剂固为一个整体,在超弹性拉簧作用下(力值为0.1牛顿)向切牙侧移动。l, 2, 4, 8和12周时给予大鼠过量麻醉剂,材料用于组织学研究。

The derivation of the method is papered in highly paralleled relaxed Newton method for transient stability real-time simulation-paralel algorithm.

关于该方法的导出在《基于高度并行松驰牛顿方法的暂态稳定性实时分析计算的并行算法》[1]中发表。

As Charles Parsons puts it,"the issue between what are now called absolutist and relationalist conceptions of space and time, represented paradigmatically by Newton and Leibniz" represents "the background to all of thinking" about space and time Parsons 1992, 67; cf.

正如查尔斯帕森斯所说的,&这个问题与我们现在称为专制和relationalist空间和时间概念,代表paradigmatically牛顿和莱布尼兹&三个代表&的背景,是的思考空间和时间(帕森斯1992年,67&所有;比照。

I make no doubt but that there are potentially, if I may use that pedantic word, many Bacons,Locks, Newtons, Caesars, Cromwells, and Marlboroughs at the ploughtail, behind counters, and, perhaps, even among the nobility; but the soil must be cultivated, and the season favourable, for the fruit to have all its spirit and flavour.

我毫不怀疑,完全有&潜在的可能&(如果我可以使用这个学究气的词语)很多农田耕作的,柜台后面的,甚至是在豪门贵族中的人,都有可能成为培根们,洛克们,牛顿们,凯撒们,克伦威尔们和马尔伯勒们,但前提是土壤必须要勤耕,季节要适宜,果实才能具有全部的品质和风味。

I make no doubt but that there are potentially, if I may use that pedantic word, many Bacons, Locks, Newtons, Caesars, Cromwells, and Marlboroughs at the ploughtail, behind counters, and, perhaps, even among the nobility; but the soil must be cultivated, and the season favourable, for the fruit to have all its spirit and flavour.

如果允许我用&潜在的&这个学究味浓重的词的话,我们并不怀疑在农田耕作,在柜台后经营的人,甚至在豪门贵族中间有很多潜在的培根们,洛克们,牛顿们,恺撒们,克伦威尔们和马尔伯勒们;但是要使果实具有它全部的品质和风味,还不许有耕耘过的泥土,必须有适宜的季节。

Culture improves, and occasions elicit, natural talents I make no doubt but that there are potentially, if I may use that pedantic word, many Bacons, Lockes, Newtons, Caesars, Cromwells, and Mariboroughs at the ploughtail behind counters, and, perhaps, even among the nobility; but the soil must be cultivated, and the season favourable, for the fruit to have all its spirit and flavour.

文化修养改良了天赋,机遇环境诱发了天赋。我们并不怀疑在农田耕作,在柜台后营业,甚至在豪门贵族中间有很多潜在的培根们、洛克们、牛顿们、凯撒们、克伦威尔们和马尔伯勒们,如果允许我用&潜在的&这个学究味浓重的词的话;但是要使果实具有它全部的品质和风味,还必须有耕耘过的泥土,必须有适宜的季节。

For large-scale geophysical measured data such as the postglacial rebounding of ground,the non-constant viscoelastic creep model can well simulate the data and calculate the viscosity coefficient.

这种修正的本质其实就是对牛顿流体假定(n=1)的修正,是时间尺度对岩石力学参数影响的一种补偿

Tear strength: It is the force required to tear a paper at a precut edge, to a specific length, and measured in milli-Newton.

撕裂度:把一张事先切一小口的纸,撕开到一定长度所需的力,以毫牛顿计算。

The great Newton perhaps gave the first clear-cut formulation of the classical notions of space and time, writing in his Principia

伟大的牛顿可能第一次对经典的时空观念给出了清楚的公式,在他的基本原理中写道

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