基本释义:

正在慢性恶化的灾难 SDD

网络释义

1)slowly developing disasters,正在慢性恶化的灾难 SDD

2)SDD-1 algorithm,SDD-1算法

3)SDD model,SDD模型

4)Secchi Disc Depth(SDD),透明度盘深度(SDD)

5)power metal semiconductor field effect transistors (MESFETs),符号定义器件(SDD)

6)sulfadimidine (SDD),磺胺二甲基嘧啶(SDD)

用法和例句

Based on the performance analysis of SDD-1 algorithm,A*-algorithm,originated from artificial intelligence theory,was put forward to improve the algorithm of SDD-1.

通过对数据库查询领域中SDD-1算法性能的分析,针对其在特定情况下存在的不足,引入人工智能领域的A*算法。

Optimize to the inquiry of the distributed database system, discussed three typical algorithms, INGRES algorithm, System R* algorithm, SDD-1 algorithm, and compare with , optimize , summarize.

针对分布式数据库系统的查询优化,讲述三个典型的算法:INGRES算法、System R*算法、SDD-1算法,并进行对比、优化、总结。