【单选题】Norbert Wiener discovered the concept of feedback when he was working in World War 2. What was he working on?
A.
Taking care of wounded soldiers
B.
Leadership qualities of army officers
C.
Breaking the German code of communication
【单选题】白光通过松香水溶胶,其透射光的颜色为 色。
【单选题】夹层腹主动脉瘤的超声表现描述,以下错误的是()
【判断题】He was sick when he was working.
【单选题】被后人评为:“舒隽开子瞻,深婉开少游”的北宋作家是( )
【单选题】When he was working there he caught a serious illness from _____ effects he still suffers.
【单选题】Norbert Wiener discovered the concept of feedback when he was working in World War II. What was he working on?
A.
Taking care of wounded soldiers
B.
Leadership qualities of army officers
C.
Breaking the German code of communication