品系的英文

strain
◇品系繁育 line breeding; 品系杂交 incross; line crossing

• 纯品系:    pure strain
• 菌株，品系:    strain
• 品系，原种:    stock

例句与用法

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1. Red strains of delicious are being planted .
   元帅的红色品系也有栽植。
2. One laboratory stock of drosophila melanogaster has very reduced or vestigial wings .
   果蝇的一种实验品系，翅膀缩小，称为残翅。
3. Then the hybrids are allowed to self-copulate naturally, and several lines are established .
   然后让杂种天然自交，这样就形成几个品系。
4. Breeding of poultry on a scientific basis has created strains of uniform quality .
   在科学基础上进行家禽育种，已创造了质量一致的品系。
5. However, a considerable degree of caution should be taken in the use of any or all color strains .
   但是，在应用某一个或全部着色品系时必需相当谨慎。