If I integrate the concentration of smoke, which means the amount of smoke per unit volume over d, I will get the total amount of smoke in d, except, well, let's see.

如果对烟雾的浓度积分，浓度就是区域d中，单位体积的烟雾的量，我们就得到了烟雾的总量。

youdao

If I integrate the concentration of smoke, which means the amount of smoke per unit volume over d, I will get the total amount of smoke in d, except, well, let's see.

如果对烟雾的浓度积分，浓度就是区域d中，单位体积的烟雾的量，我们就得到了烟雾的总量。

youdao