So that's the methodof sameness and the methodofdifferences.
所以这是相同方法，和不同方法。
2
We will encounter a different method for sending parameters to a callback below; check the Sidebar for a discussion of the differences between the two methods.
下面我们将用到向回调发送参数的一种不同的方法；查看侧栏中关于两种方法之间区别的讨论。
3
By using the classical orbit element differencesmethod, the periodic characteristics of relative motion and the influence of atmospheric drag on relative motion were analyzed.