signalling tone 中文意思是什麼
signalling tone
解釋
信令音- signalling : 傳遞信息
- tone : n 托恩〈姓氏〉。n 1 調子，音調；音色;音樂。2 語調，語氣；（報刊等的）論調。3 格調，風格；風氣，氣...
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Signalling tone peak frequency deviation
信令音峰值頻偏 -
Multi - tone sound signalling device
復音聲響訊號裝置 -
Specification for multi - frequency tone signalling protocol for social alarm systems
社會警報系統用多頻聲音信號協議規范 -
Two - tone horns and sirens, white, red or blue flashing lights are used by ambulances, fire engines or police and other authorized organizations in emergencies to warn of their presence and signal their right of way. drivers must give way to emergency vehicles signalling their right of way
在緊急情況下，救護車消防車警車及其他獲授權機構的車輛，會使用雙音響號及警號，或閃動白色紅色或藍色燈號，向其他道路使用者示意其駛近及需要優先使用道路遇上此情況，必須讓路。
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