在研究环境中，需要通过理论参数和统计参数来建立线性模型备择假设。

In a research context, the alternative hypothesis of a linear model needs to be established by theoretical and statistical arguments.

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可以使用统计决策过程来否决“直线与数据吻合”这个备择假设。

You can use a statistical decision procedure to reject the alternative hypothesis that a straight line fits the data.

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它告诉您何时不采用无效假设，却没有告诉您是否接受备择假设。

It tells you when to reject the null hypothesis, but it does not tell you whether to accept the alternative hypothesis.

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对假设检验的原理给出了解释和理论分析，并对假设检验中的原假设与备择假设的设定原则进行了阐述。

This article states and analyzes the principles of hypothesis testing theoretically, and briefly expounds the setting principles of original hypothesis and checking hypothesis in hypothesis testing.

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对假设检验的原理给出了解释和理论分析，并对假设检验中的原假设与备择假设的设定原则进行了阐述。

This article states and analyzes the principles of hypothesis testing theoretically, and briefly expounds the setting principles of original hypothesis and checking hypothesis in hypothesis testing.

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