breeding ratio

基本解释

Surviving ratio of transplanting plant reached to 80%. Surviving ratio of using breeding bag reached to 95% with watering only once.
裸苗移栽成活率可达80%，育苗袋育苗移栽后，只需灌水一次，成活率就可达95%以上。
Surviving ratio of using breeding bag reached to 95% with watering only once. Transplanting technique of breeding bag is very high value to extend in salina and Ds…
因而，育苗袋育苗移栽技术，在盐碱、荒滩、荒坡地栽培唐古特白刺等旱生灌木具有很高的推广价值。
The flowering phase and dynamics, insect visitors and their behavior and visiting frequency were observed, and the breeding system, pollen-ovule ratio (P/O) and pollen viability were determined.
的开花物侯、开花动态、访花者的种类、行为和访花频率，并对其繁育系统、花粉-胚珠比（P/O）、花粉活力进行了检测。
http://dict.cnki.net