breeding theory

常见例句

双语例句

• The investigation on the tea breeding theory and new breeding technique must be strengthened.
  四是必须加强育种理论与育种新技术的研究。
• 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.
  为了研究北方大穗型杂交粳稻超高产的生理基础，为选育大穗型的北方杂交粳稻提供育种理论。
• 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.
  本文根据育种理论，对新型抗肿瘤抗生素AGPM生产菌种的选育、发酵法生产抗生素AGPM进行了系统的研究。

权威例句

• 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
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