以下为句子列表：
英文: A REE partition simulation suggests that the Tianzhushan intermediate rocks can be generated by partial melting, in coupling with fractional crystallization, of dioritic gneiss which is similar in chemical compositions to the mafic rocks in the lower crus
中文: REE配分的定量模拟计算结果表明，与基性下地壳相似的北大别基性闪长质片麻岩部分熔融并经过结晶分异能够形成与天柱山中性岩类似的稀土元素组成，而与中性地壳相似的北大别中性灰色片麻岩部分熔融能够形成与天柱山花岗岩类似的稀土元素组成。
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英文: A fast simulation environment has been developed using MATLAB and SIMULINK for behavioral level simulation of spread spectrum clock generator based Fractional-N frequency synthesizers.
中文: 摘要提出了一种展频时钟生成的方法，使用MATLAB和SIMULINK开发出了快速模拟基于分数N型频率合成器的展频时钟生成器的环境。
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英文: A vertical two dimensional model for thermo stratified flows is proposed, which solves the velocity and pressure by a fractional step method, and Large Eddy Simulation model is used to calculate the Reynolds stress and turbulent diffusion effect.
中文: 摘要建立立面二维水动力学与水温耦合模型，用分步法求解流速和压力，采用大涡模型计算紊动应力和紊动扩散。
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英文: Abstract: Large time delay exists in complicated practical processes.For example,in FCCU (Fluidized Catalytic Cracker Unit) reactor-regenerator,the feed is preheated through heat exchanging from fractional column slurry,thus results in large time delay.A
中文: 文摘:实际的复杂工业过程，往往具有大的时滞，例如：炼油厂催化裂化装置的反应再生系统，其原料油预热通过油浆换热实现，因此时滞特别大.本文针对这一类大的时滞过程，设计了以动态矩阵控制为核心算法的预测控制系统，运行实践表明：这一控制方案比原PID控制在控制质量上有较大提高.
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英文: According to the idea of EM, a language model is built increasingly by collection the fractional counts of patterns (such as bigram pair)from the augmentations of all the segmentation candidates of a sentence.
中文: 基于EM的思想，每个句子所对应的所有(或一定范围内)的分词结果构成训练集，通过这个训练集和初始的语言模型可以估计出一个新的语言模型。
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