以下为句子列表：
英文: A virtual stochastic process is constructed so that the basic random variable becomes the value of the stochastic process at certain instants of time.
中文: 在此方法中，构造一个与基本随机变量相关的虚拟随机过程，使得基本随机变量成为该随机过程的截口随机变量。
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英文: Abstract: In accordance with the hypotheses that the length of cocoon filament is normally distributed random variable and the ratio of dropping end has optionally distributed form on cocoon filament, we derived the distribution of non-broken filament len
中文: 文摘:在假定茧丝长具有正态分布，茧丝上的落绪具有任意形态的部位分布的条件下，给出因落绪切断而形成的解舒丝长分布。
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英文: In this paper,the optional model on the seasonal order of goods when the demand is a continuous random variable is set up and is simply illustrated in practice according to maximum expected profits.
中文: 从供求关系的角度,考虑预期利润最大,建立了需求为连续型随机变量时的阶段性货物订购的优化模型,分别得到了与存贮费用有关、考虑缺货损失以及多阶段订购毋需订购费用时的最优进货量。
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英文: Shanghai stock composite index is treated as a random variable to carry on the forecast, and makes the real diagnosis analysis.
中文: 将上证综合指数当作一个随机变量进行预测，并作了实证分析。
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英文: The dependability theory is concerning life-span characteristics of the products as the main research object. Usually, we describe the life-span of products with the random variable that is not nonnegative.
中文: 可靠性理论以产品的寿命特征为主要研究对象，通常用一个非负随机变量来描述产品的寿命。
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