Per unit area, per meters squared.

千克每平方米。

youdao

In other words, it's force per unit area.

换句话说，这就是单位面积上的受力。

youdao

What we're going to get then is mass per unit area.

所以我们的到的是单位面积上的质量。

youdao

But they also have the highest sales per unit area of any U.S. retailer, double that of Tiffany.

FORBES: A Google Retail Store? Why It's Not As Crazy As It Sounds

But the sober message about wind and solar applies to all renewables: All renewables, much as I love them, deliver only a small power per unit area, so if we want renewable facilities to supply power on a scale at all comparable to our consumption, those facilities must be big.

CNN: Commentary: Let's get real about alternative energy