龙门式剪切机主机结构由()、()、()、液压油缸以及辅助装置组成。
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Note the following points describing various utilities in Oracle Database 11g: 1:It enables the high-speed transfer of data from one database to another. 2:It provides a complete solution for the backup, restoration, and recovery needs of the entire database. 3:It enables the loading of data from an external file into an Oracle database. 4:It provides a tape backup management for the Oracle ecosystem. Which point describes Oracle Secure Backup()
A. 1
B. 2
C. 3
D. 4
E. 1,2,and 4
F. 1,2,3,and 4
DNA上某段有意义链碱基顺序为5′-AC-TAGTCAG-3′,转录后的mRNA上相应的碱基顺序为()
A. 5′-TGATCAGTC-3′
B. 5′-UGAUCAGUC-3′
C. 5′-CUGACUAGU-3′
D. 5′-CTGACTAGT-3′
E. 5′-ACUAGUCAG-3′
火灾调查人员与所调查的火灾事故有利害关系,可能影响公正调查的应当回避。()
A. 正确
B. 错误
患者心悸,失眠,盗汗,颧红,手足心发热,舌红少苔,脉细数,其临床意义是()
A. 表实寒证
B. 表实热证
C. 里实寒证
D. 里虚寒证
E. 里虚热证