群速度

Actually, C still has a GOTO statement, but its functionality is limited and it is only recommended as a last resort if structured solutions are much more complicated.

汇编高手能编写出比任何其他语言能实现的快得多的程序，它很快赢得了一大群爱好者，有很多技术很大的提高了Java的速度

And group velocity and phase velocity cannot be used to describe the kinetic velocity of particles.

不能用波包的群速和相速描述粒子的运动速度。

And this phenomenon originates in the difference between the group velocity and the phase velocity in UPHGB.

并用脉冲光束的群-相速度差对这一现象进行了解释。

A b distribution function is proposed to replace the homogeneous distribution function in the particle optimal algorithm. It use a dynamic method to adjust the parameters of b distribution random function to improve the speed and quality of the feasible solution.

提出使用b分布函数来代替均匀分布函数的粒子群优化算法，在产生可行解的过程和迭代过程中动态地调整β随机函数的参数，以提高产生可行解的速度和质量。

The paper,combined with public-key certificate technology, designs a new data encryption scheme based on Hyperelliptic curve.

本文在超椭圆曲线上，结合公钥证书技术设计了一个新的数据加密方案，该方案具有安全性高，加密和签名速度快，通信量少等优点，特别适合用于解决用户群是一些计算能力和存储能力受限的系统中的安全问题。

Firstly, two covering hypersphere algorithms were proposed, referred to as minimum volume covering hypersphere algorithm and moving medium centers covering hypersphere algorithm, to heuristically and rapidly select the promising hidden center vectors from all the training samples. Then the particle swarm optimization algorithm combined with recursive orthogonal least square algorithm was used to further prune the initial hidden centers and optimize the control parameters.

为在实际应用中加速优化速度，降低优化计算复杂度，首先提出了最小体积覆盖超球和移动平均中心覆盖超球两种算法，用于启发式的从训练样本中快速的初选出径向基概率神经网络的隐中心矢量，然后将粒子群优化算法和 ROLSA 结合进一步优选隐中心矢量，同时优化核函数控制参数，实现径向基概率神经网络的全结构优化。

In the comparison experiments with genetic algorithm,immune genetic algorithm,basic particle swarm optimization algorithm and so on,IPSO performs well with best solution and fastest convergence speed.

在与遗传算法、免疫遗传算法、基本微粒群等算法的仿真比较试验中，该算法不仅搜索到了最好的近优解，而且收敛速度最快。

The traditional risk assessment system for detection and assessment of modules should not dynamically to move in the network with the required distribution,limiting the assessment of speed,efficiency and scope of application and so on.

通过对人工智能、"软件人"和网络安全风险评估技术的深入研究，提出一种基于"软件人"群的网络安全风险评估模型，能够动态地反应、评估网络系统的安全性，有效地解决了传统风险评估系统中检测和评估模块不能在网络中动态移动、随需分布，并限制评估速度、效率和应用范围等问题。

But on the Pacific islands of Melanesia, it's a symbol of beauty and speed.

但是在美拉尼西亚的太平洋群岛上，黑色象征着美和速度。

Aiming at the drawbacks of traditional BP neural network, such as converging slowly and tending to get into the local minimizer, the particle swarm algorithm is introduced into the training of neural networks.

此外针对传统的BP神经网络存在收敛速度慢以及容易陷入局部极小值的缺点，引入粒子群算法对神经网络的学习训练进行优化。

Finally, according to market conditions and market products this article paper analyzes the trends in the development of camera technology, and designs a color night vision camera.

最后根据市场情况和市面上产品的情况分析了摄像机技术的发展趋势，并设计了一款彩色夜视摄像机。

Only person height weeds and the fierce looks stone idles were there.

只有半人深的荒草和龇牙咧嘴的神像。