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A discrete probability distribution named as distribution of exponential difference is presented in this paper, formula to calculate the most probable success number, mathematical expectation and Variance are derived for this distribution, relationship be
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摘要本文提出了一个离散型概率分布：指数差分布，推导了该分布的最可能成功次数、数学期望和方差，探讨了该分布与几何分布的关系，给出了该分布在马尔可夫链模型中的应用。 |
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A discriminating collector of rare books; a dish for the discriminating palate.
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一位有鉴赏力的稀有书籍收集者；为美味鉴赏者而备的一道菜 |
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A discussion is made of heat source controlling, methods of designing and alterations of old architectures heating based on household metering of concentrated heating.
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本文对集中供暖分户计量热源控制、设计方法和旧有建筑供暖的改造进行了探讨。 |
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A discussion of the power and execution of power will give some constructive suggestions to build and develop our community college.
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探讨美国社区学院董事会拥有和行使权力的情况，为建设和发展我国的社区学院提出一些建设性的意见。 |
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A disease known is half cured.
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病情确诊断，治病好一半。 |
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A disease of a gland, especially one marked by the abnormal formation or enlargement of glandular tissue.
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腺病腺的一种疾病，特指以腺性组织的异常形成及增大为特征的疾病 |
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A disease or an abnormality of a joint.
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关节病病变或或畸形的关节 |
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A disease or an abnormality of the nervous system.
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神经病神经系统的疾病或异常状态下的神经系统 |
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A disease resulting from parasitic infestation.
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寄生物病，寄生虫病由寄生物感染引起的病变 |
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A diseased person; a leper.
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患疾病的人；麻风病患者 |
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A disfiguring mark; a blemish.
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一个有损外观的斑点；污点 |
