The thermal conductivity of soil possesses the maximum values when the number of freeze-thaw cycles is zero, and from 0 to 20 freeze-thaw cycles, they continue to decrease from 1.13 to 1.04 W/m.K.
老师们帮忙解答一下在这里的they是不是要改成it呢?
是的,they应改为it,指代the thermal conductivity of soil.
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