rticle 描述 F.DIST 的公式语法和用法。Microsoft Excel 中的 RT 函数。 返回两个数据集的（右尾）F 概率分布（变化程度）。 使用此函数可以确定两组数据是否存在变化程度上的不同。 例如，分析进入中学的男生、女生的考试分数，来确定女生分数的变化程度是否与男生不同。

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Efficiency mode What is efficiency mode in Microsoft Edge? Efficiency mode is designed to help extend battery life. It minimizes power usage by reducing resource usage through modifying background tab activity and some foreground activity, as well as putting inactive background tabs to sleep after 30 minutes or less of inactivity (if Save resources with sleeping tabs is on).

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Screen time reporting shows daily and weekly details about when and for how long your family member used their devices. Gain insight into the amount of time your family member spends on a particular social media app, game or web browser and decide whether you would like to enable screen time limits for any connected devices. To view screen time for a family member, tap Today, then Screen time ...

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Windows 11 N: Select the Start button, then select Settings > Apps > Optional features.. Select View features next to Add an optional feature, and then select the Media Feature Pack in the list of available optional features.

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