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fathoming的音標：...

Both the driving circuit and the fathoming circuit are also essential to the UATS.驅(qū)動電路和測深電路對于水聲靶標系統(tǒng)而言同樣是不可或缺的....

n.測量v.理解…的真意( fathom的現(xiàn)在分詞 )，徹底了解，弄清真相...