- 統(tǒng)一頻率標(biāo)準(zhǔn)
- unified standard: 統(tǒng)一標(biāo)準(zhǔn); 相同標(biāo)準(zhǔn)
- standard unified electroweak theory: 標(biāo)準(zhǔn)統(tǒng)一弱電論
- unified quality standard of drugs: 藥物的統(tǒng)一質(zhì)量標(biāo)準(zhǔn)
- unified standard for building drawing: 房屋建筑制圖統(tǒng)一標(biāo)準(zhǔn)
- frequency standard: 頻率標(biāo)準(zhǔn)
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