因为互操作性是网络工具的一个主要功能，它不是次要问题，所以这是非常有吸引力的特性。
Since interoperability is a primary functionality for networking tools, not a secondary consideration, that's a very attractive feature.
这个就是我们要做的， 你开始时说磁场是如何互作用、引力是什么或不是什么，我来给你演示一下。
This is the whole thing, you said at the beginning, how the field interacts, what is gravity and what is not.
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