If you stare at onequadrant, your visual cortex will emit a corresponding frequency, which is detected by an electrode cap covering your head.
当你注视某块屏幕时,你头上所带的电极帽将会监测到你大脑视皮层所发出的那个相对应的频率。
2
Joyce's car was the last one left in its quadrant of the visitor lot.
乔伊斯的车停在停车场的访客区,是那个四分之一圆圈中的最后一辆车。
3
Now, Chinatown is one of the few diverse areas in Washington's north-west quadrant; others are predominantly white even though the overall city population is 57 per cent black.