办理药品注册申请事务的人员应是

A．相应的专业技术人员并熟悉药品注册管理法律、法规和技术要求

B．熟悉药品注册管理的法规要求

C．相应的专业技术人员

D．熟悉药品注册管理和技术要求

E．熟悉药品注册管理和法律要求

A backlash below a lock is defined as a（）.

A.current setting your vessel on the wall

B.current setting into the lock chamber

C.an eddy working along the lower guide wall

D.current setting counterclockwise