When we measure the heat capacity of heat pump by enthalpy measuring method, we use flow rate measuring method to measure flow rate and sectional mean temperature of air.

利用空气焓值测量方法对热泵的制热量进行测量时，通常采用测流量法测量空气的流量和截面平均温度。

youdao

When we measure the air heat capacity of heat pump by enthalpy potential method, the flow rate measuring method was used to measure flow rate and sectional mean temperature of air.

利用空气焓差法进行热泵空气侧换热量测量时，通常采用测流量法测量风的流量和截面平均温度。

youdao

Temperature differences between the body and the ambient air mean that thermoelectric couples can generate useful quantities of juice.

人体与外部环境的温差意味着热电偶能够产生一定数量能量。

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"I was appalled. When you read through it it's sort of like it's a memo out of some science fiction movie - I mean, the temperature of the air can't be any lower than thus and so, you can't do it for any few minutes.

VOA: standard.2009.04.17