【单选题】According to the principle of operation, navigation system can be divided into instrument navigation systems, , inertial navigation systems, astronomical navigation systems and integrated navigation ...
A.
Independent navigation systems
B.
Dependent navigation systems
C.
Short range navigation systems
D.
radio navigation systems
【单选题】通过正面的说理,使患者认识到情志对人体的健康的影响,从而能自觉地调和情志,积极配合治疗的情志护理方法是
【多选题】某施工单位法定代表人授权市场合约部经理赵某参加某工程招标活动,这个行为属于 ( )
【单选题】某施工单位法定代表人授权市场合约部经理赵某参加某工程招标活动,这种行为属于( )。