业已发现的英文

it has been found that

• 业已:    already
• 发现:    find; discover
• 我已发现…:    cedil

例句与用法

1. Silver compounds which became blackened by sunlight were known in the 18th century .
   十八世纪人们业已发现银化物遇阳光会变黑。
2. Therefore , a study of incremental data mining algorithm is urgently needed . incremental data mining only modifies rule sets when database is updated , which takes advantage of previous calculation result and prevents knowledge extraction from the very beginning
   把增量算法与数据库的更新结合在一起，渐增地进行知识的更新、修正和加强先前业已发现的知识，这样可以不必重新挖掘全部数据。