A . 光子探头
B . 测温板
C . 数字IO卡
D . AD采集卡
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A . 大门开关状态
B . 器件电流
C . 直流电压
D . 磁头信号
A . 20%~+20%
B . 15%~+15%
C . 10%~+15%
D . 20%~+15%
A . 50~60Hz
B . 50~70Hz
C . 50~80Hz
D . 50~90Hz
Studies show that otherwise rational people act irrationally when forced to stand in line or wait in crowds, even becoming violent.(英译中)