Therefore, the total amount freed is a better indicator of performance over a fixed time period.

因此，在固定的时间段内，释放的总数量可以很好地表示性能。

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Because each plan item increases the total string length by roughly the same amount, the ratio of subsequent plateaus provides an indicator of the resize factor for the underlying array.

因为每个计划项增加的字符串长度总数大体相同，所以随后的稳定期比例可以作为重新设置底层数组大小的参考指标。

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