单项选择题
利用带有参数的游标,可以声明灵活的游标,以免频繁地修改游标定义。( )A.对 B.错
单项选择题利用带有参数的游标,可以声明灵活的游标,以免频繁地修改游标定义。( )
If it is not clear whether the risks and reward have be...
单项选择题If it is not clear whether the risks and reward have been transferred the entity considers whether control has passed. If control has passed the entity should derecognise the asset whereas if control is retained the asset is recognised to the extent of the entity’s continuing involvement in the asset. A、正确 B、错误
ANSYS的整体坐标系有哪三类? A、笛卡尔坐标系 B、柱坐标系 C、球坐标系 D、基准坐标系
多项选择题ANSYS的整体坐标系有哪三类? A、笛卡尔坐标系 B、柱坐标系 C、球坐标系 D、基准坐标系