Earthenware hardens at a lower temperature than another clay called stoneware.

VOA: special.2009.09.09

RT2 So it's R T2, right, now we're at a lower temperature times log the log of V4 over V3.

等于，这时温度比刚才低,乘以。

麻省理工公开课 - 热力学与动力学课程节选

And then there's a cold reservoir T2 at some lower temperature T2.

另外有一个冷的热源,温度为。

麻省理工公开课 - 热力学与动力学课程节选