良种（certified seed）是指用常规原种繁殖的第一代至第三代和杂交种达到良种质量标准的种子。良种是供大田生产使用的种子，是种子市场交易的种子，是主要商品化的种子。
良种 [liáng zhǒng]
网络释义专业释义
... golden retriever (dog breed) 金毛狗 good breed 良种; 良种 heterosis breeding 杂交育种 ...
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短语
良种繁育 cultivating superior varieties and breeds ; the improved variety is beeded ; elite seed production ; multiplication of superior cultivars
选良种 selection of good tree seeds ; select fine seed strains
良种的 thoroughbred ; highbred ; well-bred
良种畜 [畜牧] breeding stock
林木良种 improved varieties of forest tree ; improved material of forest tree
良种动物 Thoroughbred
改良种动物 grade ; grade animal
育肥良种鹅 fattened goose of good strain
良种鉴定 appraisal of improved varieties
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improved varieties - 引用次数：14
Experimental data in recent years by a summary and analysis,the main pushcultivation techniques of the specieswere explored, good laws supporting the use of improved varieties could improve the existing production levels and plant efficiency.
通过对近年试验数据的总结及分析,探讨出适宜该品种的主推栽培技术,使用良种良法配套,提高现有产量水平,提高种植效益。
参考来源 - 高产大豆中黄39产量及配套栽培技术—《天津农业科学》—2010年第4期—龙源期刊网 -
elite cultivar - 引用次数：2 参考来源 - 山茱萸良种主要药用有效成分测定与质量评价
·2,447,543篇论文数据，部分数据来源于NoteExpress
双语例句原声例句
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大幅度增加农资综合补贴和良种补贴。
We increased general subsidies for purchasing agricultural supplies and subsidies for planting superior seed varieties by a large margin.
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农民们没有电和冷库，缺少良种、优肥，也没有通畅的道路。
Farmers are without electricity and cold storage. They lack good seeds and fertilizer.
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试验田中部取得的非凡成绩，则是采用良种、化肥、杀虫剂及农业技术的结果。
The extraordinary results in the centre of the field are achieved by using the best plants, fertilisers, fungicides and husbandry.
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They knew the techniques for grafting and improving, and domesticating species of grapes and olives particularly.
他们知道植物嫁接和改良的工艺,和为葡萄和橄榄培育良种的技术
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