成功地将超声探伤仪输出的模拟信号数字化。
The analog signals of ultrasonic fault detector are digitalized successfully.
所以模拟信号数字化是信息技术的发展趋势，而A／D和D／A转换器在其中扮演着重要角色。
So digitalizing analog signal is the trend of information technology, in which A/D and D/A plays an important role.
所以模拟信号数字化是信息技术的发展趋势，而A／D和D／A转换器在其中扮演着重要角色。
So digitalizing analog signal is the trend of information technology, in which A/D and D/A plays an important role.
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