单选题测深仪工作频率是指（）。A脉冲重复频率B发射脉冲的间隔时间C每秒钟发射脉冲次数D发射超声波的频率
单选题
测深仪工作频率是指（）。
A
脉冲重复频率
B
发射脉冲的间隔时间
C
每秒钟发射脉冲次数
D
发射超声波的频率
参考解析
解析：
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