点粒子

In the final rendering period, the color field, directional point splatting and color refining technologies were applied to obtain a smoothed image of fire from discrete locations of particles.

在粒子渲染过程中，采用了色度场、有向点扩散和颜色锐化技术，由离散的粒子空间分布得到了较为理想的连续火焰图像。

Author considered the inflexion behavior of latex systems result from the limit effect of fluid.

作者也讨论了乳胶粒子体系流动曲线中的拐点行为，认为这种拐点行为是由流体边界造成的。

A method is put forward to find the better ε of the ε-non-sensitive loss function based on the particle swarm optimization. The simulation result shows the regression support vector machines take far fewer times than using the way of latticework searching to get the desired result the efficience is improved greatly and optimal ε is obtained.

本文给出了一种基于粒子群优化算法的、对ε不敏感损失函数的ε参数寻优的方法，仿真结果表明：采用基于粒子群优化算法的寻优方法寻找ε参数，需要重复训练回归支持向量机模型的次数明显小于格点搜索方法，节省了大量的时间并且能找到较优的ε值。

Particle swarm optimization algorithm is easy to be trapped into local minima in optimizing multimodal function.

针对利用粒子群优化算法进行多极值点函数优化时，存在陷入局部极小点和搜寻效率低的问题。

When you emit particles from an element, you create a set of points called a point cloud.

当用户从一个元件发射粒子时，用户创建了一群点称之为点云。

Thus it is suitable to simulate the particle longitudinal motions in electrostatic accelerators in which bunching systems are incorporated.

程序采用大量粒子模拟束团在纵向相空间内的运动，并用Monte-Carlo方法随机产生相空间内各代表点的初始条件。因此，较为适合模拟粒子在配有聚束器件的静电加速器中的纵向运动。

The proposed algorithm reserves both good fitness particles and the diversity of particles in evolution process,which improves the ability of PSO in getting rid of the local extreme value and meliorates its convergent speed and precision.

该算法在保留高适应度粒子的同时，确保了粒子的多样性，从而改善了粒子群优化算法摆脱局部极值点的能力，提高了算法的收敛速度和精度。

Under the conditions of single—beam and three—beam illuminating measuring point separately and other factors unchanging, the size distribution of standard particle board is measured, which indicates that the result of the measurement of particle size distribution is not affected by the simultaneous measurement of velocity.

分别在单光束和三光束照射测量点，其它条件不变的情况下，对标准粒子板的尺寸分布进行了测量，实验结果表明，粒子尺寸分布的测量结果不受同时测速的影响。

Particles shorter or narrower than 0.04m seem to not be drawn at all... UNLESS at some point in the particles life it is both wider and taller than 0.04m, your milage may vary.

粒子效果，当短窄于0.04m，这是不充许的，除非粒子效果中的一些点包括宽和高于0.04m，你的milage可能会变大。

To address routing planning of the delivery vehicle navigation in logistics, the article based on point-to-point model, improved the fundamental particle swarm optimization in the initial population, the method of population and evolutionary strategy for improvement, put forward the improved particle swarm optimization for vehicle routing point-to-point model problem of navigation in distribution, and verify the validity of the algorithm by simulation tests.

为解决物流配送车辆导航中的路径规划问题，文章以点对点模型为基础，对基本粒子群优化算法在初始种群的产生方法和种群的进化策略方面进行改进，提出适于配送车辆导航中路径规划点到点模型的改进型粒子群优化算法，并通过仿真试验验证算法的有效性。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。