frequency characteristic tester
frequency characteristic tester
频率特性测试仪
以上为机器翻译结果，长、整句建议使用 人工翻译 。
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The digital tester for frequency response characteristic, which is also called frequency-sweeping instrument, plays a very important role in modern electronic measurement.
扫频仪也称频率特性测试仪，用于测试网络的幅频特性和相频特性，在现代电子测量中占有重要的位置。
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