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单选题
THE TRAFFIC ALERT AND COLLISION AVOIDANCE SYSTEM (TCAS) DETECTS:
A
All aircrafts in its detection range.
B
All aircrafts in its detection range.
C
ATC equipped aircrafts.
答案解析
正确答案：C
解析：
THE TRAFFIC ALERT AND COLLISION AVOIDANCE SYSTEM (TCAS) DETECTS: C.ATC equipped aircrafts. 答案:C
解析：TCAS是一种用于监测和避免与其他飞行器相撞的系统，它会检测与自身飞行器在空中的距离、高度等信息，从而提供避免碰撞的建议。它主要检测与配备ATC（空中交通管制）设备的飞行器的距离和高度。因此，正确答案是C选项。
