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pinlvji
- 频率计,可测量0.1HZ到10MHZ的频率,同时还可根据按键来选择测脉宽功能,同时能显示脉宽比.-Frequency counter, measure 0.1HZ to 10MHZ frequency, but can also measure pulse width according to function keys to select the same time, showing the pulse width ratio.