And just like for the gases, where we wanted to know what is the bottom of this curve which gives us the equilibrium, we can do the same thing.

就像气体的一样，这条曲线的底部，给出平衡点，这里也是一样的。

youdao

Then at equilibrium, this is equal to zero, you're at the bottom of that curve.

这等于零，处于曲线的地步。

youdao

You should "erase" almost everything, keeping the area near bottom curve.

你应“删除”几乎所有的东西，保持曲线接近底部区域。

youdao

For years, people with foot or ankle problems have been prescribed "rocker shoes, " in which the soles curve like the bottom of a rocking chair to transfer the workload away from joints and bones.

CNN: Shoes' toning claims draw experts' doubts

What we're about to show you is decidedly low-tech -- it's essentially a projection screen with a sharp curve at the bottom -- but the resulting effect conveys a more realistic 3D image, for certain applications, at least.

ENGADGET: Curved panel gives more depth to 3D projections, we take a look at NAB (video)

Her skates are chunks of steel as long as 13 feet (the crew changes skate length according to ice conditions), with an almost imperceptible curve along the bottom and a razor-sharp edge so that the skate bites hard into the ice.

FORBES: Shiver Me Timbers