The poems can be no longer than three minutes and are rated from zero to ten, ten being the best score possible.
VOA: special.2009.04.27
Going from two to three, that's an adiabatic expansion, so q is equal to zero in that step.
从第二点到第三点,是绝热膨胀,因此q等于零。
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VOA: special.2009.10.16
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