how much more stable one is,

哪一个要稳定多少
and the other is

另一点是
how much higher is the pass,

分水岭能量高出多少
how hard is it to get from one to the other?

从一个分水岭到另一个有多困难
Okay, so there now is,

所以现在
in a two-dimensional graph that you can draw on a piece of paper,

这个可以画在一张纸上的二维图形
is something that gives you this information.

告诉了你这些信息
Okay, but this required that we choose R12 equals R23,

但这需要我们使R12等于 R23
in order to make this simplification.

才能化简
The guys who did the calculations said

做这个计算的那些家伙说
if we don't make R12 equal to R23,

如果我们不令R12等于 R23
it turns out that all the structures are still higher in energy.

就会导致所有结构的能量都会更高