这项任务的难度随着第二个音调的高低而变化。

The task varied in difficulty according to the pitch of the second tone.

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了解清楚你想在讲话中使用的语速和音调变化。

Know the pacing and inflection you want to use in speech.

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当偏差值超过 MAX_TONE_DEV 变量时，upDev 和 downDev 变量以及比较逻可用于采集连续音调变化。

The upDev and downDev variables and comparison logic are designed to acquire these contiguous tonal changes if they deviate more than the MAX_TONE_DEV variable.

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