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This paper analyzes effects of learning rate and hidden layers node number of the RBF multiuser detection technology trained by gradient descent method on arithmetic performance.

3分析了梯度下降法训练的RBF神经网络多用户检测中学习速率和隐含层节点数对算法性能的影响。

The results showed that neural network structure of tobacco aroma components was global optimized, and the neural network trained by genetic algorithm was more efficient and correct than by gradient descent method .

结果表明，使用该方法能全局优化基于烟草致香成分的神经网络结构，较之梯度下降法的神经网络的训练效率更高，得到的识别结果也更加准确。

He has trained for long time, so he deserved to win the game.

他训练了很长的一段时间，所以获得比赛的胜利是他应得的。

Francis is to b enumbered rather amongst the divinely enlightened than among the academically trained, he was neither a declared enemy nor a despiser of learning.

该命令一直致力于努力培养科学，而且，虽然圣弗朗西斯是到B enumbered ，而其中较开明的神之间的学术训练，他既不是一个宣布的敌人，也不是despiser学习。

He was trained to fire weapons, detonate explosives and take hostages.

他接受了射击、引爆炸弹和劫持人质方面的训练。

By observing one's sexual predilections and acts, the trained psychotherapist and diagnostician can learn a lot about the patient.

通过观察一个人的性爱好和行为，受过培训的精神治疗师和诊断师可以了解到病人的很多情况。

The initialized parameters of neural networks are selected, which is directed by rough set theory, and the networks are trained by using a probability-based BP algorithm, which minimizes system errors.

首先，利用粗糙集理论对神经网络初始化参数的选择和确定进行指导，赋予各参数相关的物理意义；然后，以系统输出误差最小化为目标对粗糙神经网络进行训练，使其满足性能要求。

The experiments show the frame of CGMM-UBM can make better use of the training data and the mixtures of the models are fewer and the efficiency of models training is higher. The CGMM-UBM system also gets better recognition results and is robust to noise. The system is more suitable for the speaker verification with short speech. Since the SVM based fusion is trained with two class data, it has better discriminability and can elaborately reflect the relation between the sub-systems.

实验表明，CGMM-UBM结构能够更为充分的利用训练数据，模型混合度可以较低，并且具有较高的模型训练效率，同时系统也获得了较好的识别性能与噪声鲁棒性，适于短语音情况下的说话人确认。

However,the disjunction of trained personnel and industry requires the quick optimization of Higher Tourism Education system.

然而，人才与行业的脱节呼唤着旅游高等教育系统的迅速优化。

Pack is applicable to any body of animals, especially wolves, or of birds, especially grouse,and to a body of hounds trained to hunt as a unit.It also refers disparagingly to a band or group of persons.

Pack 适用于狼或鸟群等任何兽群，尤指松鸡，还可指一群作为一个整体训练以作打猎用的猎狗，也可指对一帮或一群人的蔑称。

The changes of the HAF after liver injury may be related to the volume of blood loss, the intraabdominal pressure and the pneumoperitoneum duration.

肝撞击伤伴失血后肝动脉血流量的变化与失血量、气腹压力以及气腹持续时间等有密切联系。

Reneging on our commitments to the world's poor cannot be an austerity measure, she said.

放弃我们给世界上的穷国的承诺不能成为一种紧缩措施。