常見例句雙語例句The investigation on the tea breeding theory and new breeding technique must be strengthened.四是必須加強(qiáng)育種理論與育種新技術(shù)的研究。In order to study the physiological base on super high yield of the northern japonica hybrid rice and offer breeding theory about large-panicle northern japonica hybrid rice.為了研究北方大穗型雜交粳稻超高產(chǎn)的生理基礎(chǔ)，為選育大穗型的北方雜交粳稻提供育種理論。According to the strain breeding theory , the selection and breeding of antibiotics AGPM producing mutant and the fermentation technology of AGPM were systematically studied in this thesis.本文根據(jù)育種理論，對新型抗腫瘤抗生素AGPM生產(chǎn)菌種的選育、發(fā)酵法生產(chǎn)抗生素AGPM進(jìn)行了系統(tǒng)的研究。權(quán)威例句Dr Brunton looked at the number of chicks fledged per nest in the colony she was observing and discovered that, contrary to the selfish-herd theory's predictions, pairs breeding near the edge of the colony were more successful than those at its centre.ECONOMIST: Animal behaviour 返回 breeding theory