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某患者服一催眠药,该药F为50%,V为10L,t为2h,当测其血浓度1.25mg/L时,该患者已睡了A.3hB.4hC.5hD.6hE.7h
PURPOSE:To obtain linearly variable speed command signals by utilizing outputs of a triangular wave generating circuit obtaining differential signals synchronized with variations of stepwise speed pattern signals in accordance with positions of moving bodies. CONSTITUTION:A differntial circuit 2 produces diff...