符: Ⅰ名词1.(符节) tally (with two halves, made of wood, bamboo, jade, metal, issued by a ruler to generals, envoys, etc., as credentials in ancient china)2.(标记; 记号) symbol; mark 短语和例子音符 musical no
数据库: data bank; data base; data pool; data library◇数据库管理系统 data base management system; 数据库计算机 data base computer