<p> 已知Z<sub>1</sub>=200米,Z<sub>2</sub>=1200米,t<sub>1</sub>=20℃r=0.65℃/100米r<sub>d</sub>=1℃/100米<br> 设1200米处气温为t<sub>2</sub>,气块下沉至地面时的温度为t<sub>0</sub>。<br> (1)(t<sub>2</sub>-t<sub>1</sub>)/(Z<sub>2</sub>-Z<sub>1</sub>)=-r<br> t<sub>2</sub>=t<sub>1</sub>-r(Z<sub>2</sub>-Z<sub>1</sub>)=20°-0.65℃/100米×(1200-200)米=13.5℃<br> (2)(t<sub>2</sub>-t<sub>0</sub>)/Z<sub>2</sub>=rd<br> t<sub>0</sub>=t<sub>2</sub>+r<sub>d</sub>Z<sub>2</sub>=13.5℃+1℃/100米×1200米=25.5℃</p>