He asked me________during the summer holidays.
A. where I had been
B. where I had gone
C. where had I been
D. where had I gone
查看答案
下列哪一个不是数据库
A. MySQL
B. SQL Server
C. Oralce
D. POJO
可以使用mybatis-spring包中所提供的SqlSessionTemplate类或SqlSessionDaoSupport类来实现向DAO实现类中注入SqlSessionFactory
A. 对
B. 错
两线圈合磁场在中心轴线(两线圈____连线)附近较大范围内是____的,这样一对线圈称为____。
从亥姆霍兹线圈磁场分布曲线来看,两线圈中心连线一段出现一个____,说明该处是匀强____。