常見例句雙語例句The optimal conditions for protoplast isolation and regeneration of 4 auxotrophic mutant strains of Trichoderma were studied.研究了4種營養(yǎng)缺陷型產(chǎn)纖維素酶菌的原生質(zhì)體形成和再生條件。 返回 auxotrophic mutant