Descriptive statistics and bivariate analysis were used to characterize injury patterns and multivariate analysis was used to identify factors associated with severe injury.

描述统计和双变量分析用来描述伤害类型，而多重变量分析用来确定严重伤害的相关因素。

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Bivariate survival analysis has received substantial attentions due to its wide applications.

双变数存活分析已被广泛应用于生物医学的研究。

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By establishing bivariate regression model, this paper makes an empirical analysis on the correlativity between CHIBOR and price fluctuation in securities market.

对同业拆借利率及证券市场价格波动建立了双变量回归模型，并对两者的相关性进行实证分析。

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