英语词汇“primary-frequency standard”的翻译、意思、用法、释义-英汉汉英双解词典

词汇	primary-frequency standard
释义	primary-frequency standard un.基本频率标准；🌏原始频率基准；基准频标；原频率标准
随便看	middle-height steel structure residence Middle Heihe River basin middle hemorrhoidal artery middle hemorrhoidal plexus middle hemorrhoidal vein middle hemorrhoidal veins middle hepatic artery Middle hepatic vein middle hepatic veins Middle hepatic veins middle hepatitis b surface antigen middle herbaceous layer Middle hills middle hipline middle hold middle hole middle-hole-area ratio middle hole construction method Middle hollow fiber membrane middle holocene middle Holocene Epoch middle Holocene transgression middle hopper middle house middle-high