breeding ratio 中文意思是什麼

breeding ratio 解釋
增殖比。

  • breeding : n. 1. 孵化；飼養；繁育。2. 選種；育種。3. 繁殖，生育。4. 薰陶；養育，教養，禮貌。5. 【原子能】增殖，再生。
  • ratio : n. （pl. ratios）1. 比，比率，比值；比例；系數。2. 【經濟學】復本位制中金銀的法定比價。vt. 1. 用比例方式表達；求出…的比值；使…成比例。2. 將（相片）按比例放大或縮小。
  1. Based on study and practice in west zhejiang red soil experimental zone, the method and ways of adjusting cropping construction is : establishing " three - elements structure ", increasing in the ratio of forage - crop and cash - crop, stabilizing grain - crop production, adjusting breeding construction, developing agricultural industrialization, planting green - feed, estblishing new patterns, developing labour - intesive products, popularizing rice light cultivation ect

    摘要根據浙西紅壤試驗區的研究實踐，提出建立三元種植結構、遵循「提高飼料比重、發展經濟作物、穩定糧食生產」原則、調整養殖業結構、發展加工業的種植結構調整思想方法；並採用發展青綠飼料、建立新模式、發展勞動密集型產品、推廣省工栽培等技術措施，調整紅壤丘陵區的種植結構，實現糧、經、飼平衡發展。
  2. This paper firstly focused on and evaluated the pollination characteristics of c. praecox, in half - natural habitat of nanjing. we investigated flowering phenology, flowering patten, pollen viability, stigma receptibility, species of visitors, visiting rate of visitors and their foraging behavior. and we also investigated its breeding system, including pollen - ovule ratio ( p / 0 ), out - crossing index ( oci ), pollen grains deposited in stigmas, pollen germination rate and seed set rate with different treatments, from 2002 to 2004

    試驗分別在2002 - 2003年和2003 - 2004年冬季進行，研究內容包括：花期物候觀察、花部形態觀察和統計、雌雄配子體功能測定、訪問昆蟲種類、訪問行為、訪花頻率和效率；同時對蠟梅繁育系統進行了檢測，檢測內容包括花粉胚珠比（ p / 0 ） 、雜交指數（ oci ）及不同處理花粉萌發率及結實率檢測等等，同時還進行了蠟梅與亮葉蠟梅傳粉過程比較。
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