commercial breeding system 商品牧畜繁育方法
social breeding system 社群繁殖制
optimal breeding system 最优育种系统
plant breeding system 植物繁育系统
fine breeding system 良种繁育体系
Mouse breeding system 老鼠饲养器
mixed breeding system 混合育种系统
pagoda breeding system 宝塔式繁育体系
cattle breeding system 牛繁育体系
Field investigation was performed on the floral syndrome,pollination characteristics,pollinator behaviors and breeding system of Iris tectorum by continuous observations and analyzing data of out-crossing index,pollen-ovule ratio,fruit-set ratio and seed-set ratio.
对鸢尾（Iris tectorum）居群的花部特征、授粉特性、繁育系统及访花昆虫行为等进行了研究。
参考来源 - 鸢尾的花部结构及繁育系统特征Analysis of gene differential coefficient (GST) indicating that genetic variation of Medicago sativa is mainly exits within varieties . This characteristic is related to the breeding system (out - breeing) of Medicago sativa.
基因分化系数（GST）分析结果表明，苜蓿的遗传变异主要存在于品种内，这一特点与多年生苜蓿的繁育体系（异交）有关。
参考来源 - 苜蓿地方品种遗传多样性的研究──RAPD标记Pollination ecology and the breeding system of Impatiens lateristachys,a species endemic to the Emei Mountain were studied. The floral phenology,floral structure,pollen-ovule ratio(P/O),pollen viability,floral visitors and their behavior,and the breeding system were observed and determined.
通过对峨眉山特有种侧穗凤仙花的开花生物学特性、花器官结构、传粉者种类和访花行为、繁育系统、花粉胚珠比（P/O）及花粉活力的研究。
参考来源 - 侧穗凤仙花的传粉生态和繁育系统The breeding system,mating system and seed twice-dormancy may be limit the gene flow, and then lead tothe genetic differentiation among populations.
滇重楼的繁殖方式，交配系统以及种子的二次休眠特性，可能影响到滇重楼居群间的基因交流，从而导致目前各居群间遗传分化的产生。
参考来源 - 滇重楼遗传多样性的ISSR分析·2,447,543篇论文数据，部分数据来源于NoteExpress
The faultiness of breeding system and pests destroying cause the low seed-set rate.
五脉山黧豆的传粉系统不完善和虫害是结实率低的主要原因。
Responses of main characters of upland cotton to mass selection-mass crossing breeding system were studied.
研究了陆地棉主要性状对混选—混交育种体系的响应。
Objective To reveal the breeding system and endangered mechanism of Dendrobium officinale in Danxia landform.
目的：揭示丹霞地貌生境中铁皮石斛的繁育系统及濒危机制。
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