直接转移

节节麦抗白粉病基因直接转移及遗传表达

人血清白蛋白基因乳腺表达载体在奶山羊乳腺中的瞬间表达

normal direct solar irradiance【能源】

direct strike by cold evil

direct-current telegraphy, compensating variations

restoring direct-current telegraphy

Excision and graft bypass or direct repair A-V fistula of chest or abdomen

direct isotopic dilution method

direct force flight control【航】

direct dye