“You’d be an intermediate，” the clever， efficient Millennial at the Apple Store said brightly.2 She was talking about t......

应用ＤＦＹ－１型动态反应时测试仪，以声音为信号，对３组（打字组、钢琴组、控制组）９０名被试手指的简单反应时间和动作时间进行了测试。结果表明：（１）非利手......