该系统由特制传令枪、运动员机和裁判中央机三部分构成。
It consists of three types of subsystems: a tailor-made starting gun, athlete instruments and an umpire'central instrument.
该系统由特制传令枪、运动员机和裁判中央机三部分构成。
It consists of three types of subsystems: a tailor-made starting gun, athlete instruments and an umpire'central instrument.
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