【单选题】从信息传递媒介看,信息传递方式主要有( )
【简答题】简述辩证唯物主义的世界物质统一性原理的内容。
【多选题】坚持辩证唯物主义的世界物质统一性原理,要求( )
【单选题】直接贸易不可间接运输,转口贸易可以间接运输。
【单选题】以下属于IEEE职业道德规范的是
A.
(化解利益冲突) To avoid real or perceived conflicts of interest whenever possible, and to disclose them to affected parties when they do exist.
B.
(拒绝任何贿赂) To reject briber.
C.
(加强技术理解) To improve the technology; its appropriate application, and potential consequences.
D.
(知晓并遵守法律) pertaining to professional work.
【简答题】以下属于IEEE职业道德规范的是 A.(拒绝任何贿赂)To reject bribery in all its forms. B.(知晓并遵守法律)Know and respect existing laws pertaining to professional work. C.(化解利益冲突)To avoid real or perceived conflicts of interest whe...
【简答题】汽车离合器踏板如下图所示。已知踏板受力F=400N,压杆的直径d=9mm,L 1 =330mm,L 2 =56mm,压杆材料的许用应力[σ]=50MPa,试校核压杆强度。