isothermal altitude

例句：

1. 1. The temperature inside the oven is isothermal.
   烤箱里的温度是等温的。
2. 2.The experiment was conducted at an isothermal temperature of 30°C.
   实验在30°C的等温温度下进行。
3. 3.The process of photosynthesis is isothermal.
   光合作用的过程是等温的。