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The emulations and experimental results indicate that the theoretical model combined the neural network and genetic algorithm not only can conquer the disadvantage, which network is prone to enmesh the partial minimal error, but also utilize the powerful artificial intelligence of neural network.; This model provides a new method and idea for the monitor systems management, meanwhile it also offer a new method for solving the problems of the undetermined information processing; This model has powerful studying function, high accuracy, and strong practicability, so it has promoted value.

仿真及实验结果表明：由于此数学模型是将神经网络和遗传算法相结合应用在井下的监控系统中，因此即克服了神经网络容易陷入局部最小误差的缺点，又利用了神经网络本身强大的人工智能；该模型不仅为煤矿监控系统管理提供了一种新方法和新思路，同时也为解决不确定性信息处理问题提供了一种新的尝试和手段；该模型学习功能强大，精度较高，实用性强，具有很好的推广价值。

In either case the entrant would be at a cost disadvantage.

不管是何种情况，加入的厂商都处于成本劣势。

In order to solve the disadvantage of robust filter algorithm which has great calculation and complicated deduce processing, an improved decentralized robust filter algorithm was designed through equipollent deduction and the on-line alterable value of γ f.

针对鲁棒滤波法计算量大和递推过程复杂的不足，通过等价推导，在线改变γf的值，设计了分散优化鲁棒滤波法，使得鲁棒滤波算法递推简单，避免了直接计算滤波增益阵，并减小了主滤波器计算负荷。

The main disadvantage of this approach is some hairy code for erasing elements.

这种方法的主要缺点是删除元素的代码有点不太好看。

Smith estimator is an effective way to deal with this problem and its main disadvantage is too sensitive to parameter variation.

Smith预估器是解决该问题的传统方法，其主要问题是对过程参数过于敏感。

In order to overcome the wet etching disadvantage and to minimize the additional waste chemical treatment cost, therefore the purpose of this thesis is to study the customization of the batch type plasma dry etcher for power diode process, to analysis the etching mechanism and build up the simulation model for the distribution of plasma power density that will be fitted with the measurement data.

在此前提下，本论文将以客制化的多片式电浆蚀刻机为研究主体，分析其蚀刻机制并建立电浆能量密度的分析模拟模型，并以实验数据做比对，藉此建立模型模拟数据的可信度。

The advantage and disadvantage of synthesis of ethyl lactate from different raw materials and by different methods are discussed.

总结了以不同原料和不同方法合成乳酸乙酯的优点和不足，对乳酸乙酯合成的发展趋势进行了展望。

Genetic algorithm has a primary disadvantage that computational cost increases greatly for over much evaluation of objective functions and their fitness.

遗传算法的缺点在于计算过多的目标函数适应值而增加了优化设计的计算量。

But that comparative disadvantage has been evaporating of late.

但是这个比较劣势最近云消雾散了。

Therefore, the excessiveness die skin combine the disadvantage is at the health of the skin.

因此，过度去死皮并不利于皮肤的健康。

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。