...望模式,该模式既不同于基于‘支持-置信’模式挖掘出的频繁模式,也不同于[3,4,5,10,8,6]所表现的‘规则异常(exceptions of rules)’和‘surprisingpatterns’。
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There are always a lot of exceptions to grammar rules.
语法规则总是有很多例外。
You say, "My goodness. I can easily find exceptions to all of those rules.
说:,哦,天哪,我能很轻易地找到这些规则的例外情况。
Of course there are exceptions to these general rules - that's the whole point.
当然相对于这些总的原则来说也有例外——那就是问题所在。
You say, "My goodness. I can easily find exceptions to all of those rules.
说:,哦,天哪,我能很轻易地找到这些规则的例外情况。
So, remember, boron was one of those exceptions to our Lewis structure rules where it was perfectly happy not having a full octet.
所以我们可以加上3个氢原子,对于BH3,这是个稳定结构,记住,B是Lewis结构的一个特例。
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