Objective To explore the changing trends of inpatient disease-category distribution in psychiatric department at different period.

目的探讨不同时期精神科住院患者病种分布的变化趋势。

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Variance is an index that can describe distribution of random variables, and is used to describe inter-category distribution of feature term .

方差是描述随机变量分布情况的指标，本文用方差来描述特征词在类间的分布情况。

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The difficulties of classification tasks are expressed by discontinuous category distribution and adding relevant dimensions and category number.

分类任务的难度主要通过增加相关维度的数量、类别刺激分布的间断性和增加类别数量等方式体现出来。

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In a category where third-party distribution is not going away anytime soon, the missed opportunity online to drive customers to offline retail is even more disappointing.

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The distribution, hotels and catering and repairs category was also revised down to 0.8% from 0.9%.

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Yes, production wherewithal buys space in the category, and competitors are sure to welcome the opportunity to purchase production and distribution facilities at bargain prices.

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