以下为句子列表：
英文: A conventional linear collider accelerates its particles with an electric field that moves along in synchrony with the particles.
中文: 一般的直线对撞机是利用与电子运动同步的电场来进行加速。
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英文: A formula is proposed for calculating the sand content of different size in the case of matching particle size of sand, thus obtaining the correlation between ultrasonic attenuation and density of solid particles in the pulp, as well as particle size.
中文: 提出了在矿砂粒径尺寸级配情况下的不同粒径时的矿砂含量的公式，并由此得到了超声波衰减与矿浆中固体颗粒浓度、粒度之间的关系。
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英文: A gas completely fills its container. The particles are free to move about. They collide with the walls and with other particles.
中文: 气体会将容器完全填充满，粒子可自由移动。它们同其他粒子以及容器壁碰撞。
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英文: A mask's filter canister is intended to stop particles such as anthrax, chemicals such as nerve gas, and germs such as smallpox.
中文: 防毒面具的滤毒罐，用途是阻绝微粒（例如炭疽菌）、化学药剂（例如神经毒气）以及细菌（例如天花）。
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英文: A method of finding the best location in multi-dimensional space of particles is presented to achieve the optimal decision of multi-stage operation, the global convergence performance of PSO is improved by importing a cross operator of GA and using a self
中文: 提出以确定微粒群在多维空间中的最优位置来实现多阶段优化调度决策的方法，并针对算法易陷入局部最优的缺陷，引入遗传算法中的“杂交”因子以及采用自适应的惯性权重，以改进其全局优化能力。
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