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- Males usually produce small amount of sperms therefore, two males are needed for the most efficient breeding. 雄鱼通常产少量的精子，因此两条雄鱼必须最有效的饲育。
- Artemisia annua L. is allogamous plant.Systematic breeding and tissue culture are the efficient breeding methods in order to get good lines and stabilized the good morphological. 黄花蒿为异花授粉作物，利用系统选育或组织培养，获得优良种源并保持优良特性，是目前有效的育种方法。
- The relationship between key germ plasm resources and high efficient breeding was introduced from genetics gene.The development and value of dwarfing-sterile wheat were introduced. 摘要从遗传基因角度阐述了关键性种质资源与高效育种的关系，并介绍了矮败小麦的创制过程以及应用价值。
- more efficient breeding procedures 高效率的育种程序
- The islanders are a strong breed of people. 这些岛上的居民是一种体格强壮的人。
- Of this breed we can make short shrift. 这个品种，我们能很快解决。
- Spaniel is a breed of dog with large ears. 西班牙猎狗是一种长着大耳朵的猎狗。
- This is a highly efficient new heating system. 这是个高效的新取暖系统。
- High photosynthetic efficiency breeding 光合磷酸化
- high-photosynthetic efficiency breeding 高光效育种
- Wild animals don't breed well in captivity. 野生动物圈养时不好繁殖。
- Birth is much, but breeding is more. 出身重要，教养更重要。
- Many animal breed in the spring. 很多野兽在春天繁殖。
- It is not efficient to hire poorly trained workers. 雇用未经严格训练的工人会妨碍工作效率。
- Random mating within a breeding population. 自由交配在一个育种群中自由交配
- They used to breed fish in the reservoir. 他们过去一直在水库养鱼。
- He has an efficient business setup. 他有一个有效的生意机构。
- We have the finest breed of sheep. 我们拥有最优品种的羊。
- He always takes pride in his work. He's very efficient. 他总是以自己的工作而骄傲。他是个很能干的人。
- A large sheep of a breed originating in England. 汉普夏羊产自英格兰的大个绵羊
