时间性指数 (time index number)是由一组项目在不同时间上对比形成的,有定基指数和环比指数之 分,两者的区别在于指数数列中所采用的基期不同,定基指数指在数列中...
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If you run this code with a larger number for the Fibonacci sequence index (say, 12), you'll end up watching output scroll by for a long time.
如果对大的斐波纳契数列(比如说12)使用这段代码,将会看到长时间的滚动输出。
If the data is stored sequentially, the time to find the item is proportional to the size of the list. For each element, a hash function calculates a number, which is used as an index into the table.
如果数据是序列存储的,从中查询一个项的时间取决于数据列的大小。
The structure of the index tree decides the average index number to be visited, but even regarding the same index structure, the average visit time is different if the broadcast sequence is different.
索引树的结构决定了平均访问索引节点的数目,但是即使对于相同的索引结构,如果采用不同的广播序列,则平均访问时间也不尽相同。
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