The downside of persistence is that it has never been particularly simple.
持久性的缺点是它一直都不太简单。
In our case, it's particularly simple because it needs to check only a single Boolean value.
在我们的例子中,它非常简单,因为它只需检查一个布尔值。
Now, this is a particularly simple case because I've chosen the case where all of the stoichiometric coefficients are equal to one.
在这个简单的例子里面,我让所有的,化学计量系数都等于一。
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