To accurately diagnose performance problems with the database using ADDM , statistics must be available .
为了使用ADDM精确诊断数据库的性能问题，统计表必须是可用的。
CG-ADDM algorithm is the effective combination of CG algorithm and ADDM ( Algebraic Domain Decomposition Method ) .
CG-ADDM算法是CG迭代算法与区域分解法的有效结合。
ADDM