galvanometric seismograph
常見例句
- At present, three kinds of seismographs are used at Chinese seismic stations. They are the direct-coupled seismometer, the galvanometric seismograph, and the electronic seismograph.
目前，我國(guó)基準(zhǔn)地震臺(tái)上使用三種類型地震儀：直接耦郃地震儀、電流計(jì)記錄地震儀和電子放大地震儀。
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