二次指数方法是一种产生伪随机数序列的方法。
The quadratic exponential method is one of the methods that generate pseudorandom number sequence.
结论对于大量、关系复杂的数据,应用倾向指数方法具有较大的灵活性。
Conclusion For large and complicated data, propensity score methods had more flexibility in practical use than model based methods.
结果当存在模型误定时,倾向指数方法比基于模型的方法具有较好的稳健性。
Results Under model misspecification conditions, propensity score methods had better robustness than model based methods.
So if you think about the way something like, say, Mapquest works, and last week in recitation you looked at the fact that shortest path is exponential.
所以如果你想想电子地图,还有上周学的列举法,你就会发现一般最简单的方法,都是指数递增的。
So I haven't done magic, I've given you a really fast way to solve a knapsack problem, but it's still exponential deep down in its heart, in something.
所以我并没有施魔法,我已经告诉了你,一种快速解决背包问题的方法了,但是某些方面它的核心仍然是指数增长的。
One is the Mediterranean Diet, another would be the glycemic index diet, and there are yet others.
地中海式饮食法是其中之一,血糖指数法也可以,以及很多其它方法
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