设置刷新频率（以秒为单位）。

Set the refresh rate in seconds.

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在单位时间内重复发生的次数，即频率。

Frequency is the number of occurrences of a repeating event per unit time.

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在单位时间内重复发生的次数，即频率。

Frequency is the number of occurrences of a repeating event per unit time.

youdao