However , these heuristic algorithms have high computation complexity so they are not fit in practicality 然而由于这些算法都具有较高的时间复杂度而不能满足实际应用的需要。
A new detection hole counting algorithm is developed , with sound time and space complexity 论文第一次提出了rcb检测规则下的检测漏洞计量算法，其时间复杂度和空间复杂度都较为合理。
The improved algorithm substantially reduces the time complexity with little influence on the performance 通过对原有算法的改进，新算法在时间复杂度上明显下降，同时算法效果没有明显的影响。
Accordingly , this paper offered optimized algorithm for reduction of knowledge , of which time complexity was polynomial 在此基础上提出了优化的知识约简算法，该算法的时间复杂度是多项式的。
Can make the even runtime reach o ( n ) . but in the worst instance , it is still 0 ( nlogn ) 使得算法的时间复杂度的期望值是o ( n ) ，而对于最坏的情况下，它的复杂度并没有增加，依然是o ( nlogn ) 。
But it needs too much time for getting the optimal solution , which extremely limits its role of practical application 虽然它有很高的计算精度,但是,高的计算时间复杂度,降低了它的实际应用价值。
By using the proposed method the correlation between two stocks can be computed in limited memory 与传统的计算方法相比，不管是在空间复杂度还是在时间复杂度上，所提出的方法都只需付出更小的代价。
The experiments have proved that they reduce the algorithmic time and space complexity greatly , and improve the algorithmic efficiency 实验证明，新的算法都大大降低了算法时间复杂度，提高了算法效率。
Incremental algorithms are used in the data mining system , which improves the efficiency of data mining and deduces the complex of time 由于使用了增量算法，从而提高了挖掘的效率，降低了时间复杂度。
