英语词汇“second-trip echo”的翻译、意思、用法、释义-英汉汉英双解词典-爱贷网

词汇	second-trip echo
释义	second-trip echo 第二次反射回波
随便看	small hewn squares Small hexagonal tool steel small hexagonal tool steel wire small hexagon flat nut Small hexagon medium thin nuts small high floor small high-rise small high-rise apartment buildings small high-rise building small high-rise house small hill small history museum SMALL HOG HOOF WITH CRYSTALSUGAR small hoist small holder of land smallholders small-holders Smallholder System small hold farmer smallholding small holding smallholder small holder small-holder small-holding