由单位或个人签发,并委托其开户银行在见票时无条件支付确定金额给收款人或者持票人的票据称为()。
A. 支票
B. 银行汇票
C. 银行本票
D. 商业汇票
查看答案
在顺序加工一批工件中,有些误差是按照某一较明显规律逐渐变化的,这类误差称随机误差。(误差分析)
A. 正确
B. 错误
Your database is running in ARCHIVELOG mode,and the database is open. You execute an RMAN backup and specify the KEEP clause.Which components are backed up when this option is specified?()
A. only the control file, the current SPFILE, and data files
B. only the current SPFILE and data files if autobackup is disabled
C. only the data files and the archived redo logs
D. the control file, current SPFILE file, data files, and archived redo log
下面哪个信息在空中会出现()
A. DSPLY SOURCE
B. CDS MAINT
CDS FAULT
无患子科植物的茎多为草质茎。
A. 正确
B. 错误