And if you're below this temperature here, this quantity, p times v it would be negative.

压强与体积的乘积将变成负数，这可能吗？

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Above some temperature is going to be positive, below some temperature is going to be negative.

低于这一温度它是负数，我们一般忽略这些高阶项。

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It works by a control mechanism called negative feedback, and the thermostat is measuring the temperature and then sending a signal to a heater somewhere.

是通过一种叫做负反馈的控制机制,探测器测量温度,再把信号传给加热器

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He didn't want to use negative numbers To measure temperature in Denmark outside.

他可不想用负数,来测量丹麦室外的温度。

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So if you had a high temperature, this a small compared to b. If you're negative which means that dT/dp at constant H is less than zero.

高于反转温度，这一项相比于b很小,意味着H恒定时,偏T偏p小于零。

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