Investigators say they are now trying to determine whether the float's driver could hear the horn and whether the signal timing and synchronization were operating correctly.
现在调查人员正在调查花车的驾驶者是否能听到警铃，或者警示灯计时器和同步性能是否正常工作。
| 单词 | operating signal |
| 释义 |
operating signal
原声例句
NPR音讯 2012年11月合集 Investigators say they are now trying to determine whether the float's driver could hear the horn and whether the signal timing and synchronization were operating correctly. 现在调查人员正在调查花车的驾驶者是否能听到警铃，或者警示灯计时器和同步性能是否正常工作。 |
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