distress frequency 中文意思是什麼
distress frequency
解釋
【無線電】遇險求救頻率。-
500 khz : this is an international ship calling and distress frequency for maritime communications in morse code
500千赫:這是一艘國際船要求和求救頻率海通信在摩爾斯電碼。 -
The research of predicting financial distress in chinese listed firms based on expected default frequency model
基於期望違約率模型的上市公司財務困境預警研究
分享友人