subterm
美
英 
例句
introducing object identifiers. Structural predicates correspond to going from a composite term to a subterm.
结构化的谓词符合从一个含有种种要素的期限到一个次期限去。
If the WHERE clause of an SQL statement applies OR operators with multiple local predicates within each subterm, as follows
如果一个SQL语句的WHERE子句应用了一个其每一个子项都带有多个本地谓词的OR操作符,如下所示