In addition, while mining association rules with negative items, because of the introduction of negative item, the searching space of frequent itemsets has become greater, and at the same time the number of negative association rules also increased.
另外,在含负项目的关联规则挖掘中,由于负项目的引入使得频繁项集的搜索空间变得更加巨大,而同时挖掘出的负关联规则数量也随之增大。
参考来源 - 含负项目的关联规则挖掘算法研究·2,447,543篇论文数据，部分数据来源于NoteExpress
If the delta is ever negative, consider that an error, as you should never get an item from the queue with an earlier trigger time, when the delay has ended.
如果时间差是负数，可以视为一个错误，因为永远不会在延迟时间结束后，在一个更早的触发时间从队列中取得项。
The effect of some body shake of sports item on sportsmen's eyesight result in negative effects of action control.
某些运动项目的人体震动对视力的影响导致运动者的动作控制产生负面效应。
We found that the technical efficiencies of CCBs were indeed affected by the inefficient item, and the negative effect was greatly reduced by the stock ownership of foreign-funded Banks.
研究发现，城商行的技术效率的确受到无效率项的影响，而该项的负影响因外资银行持有而大大减弱。
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