perennial yield 中文意思是什麼

perennial yield 解釋
常年產量
  • perennial : adj 1 四季不斷的，終年的；繼續多年的；（青春）永駐的。2 【動物；動物學】（牙齒等）不斷生長的；（...
  • yield : vt 1 生出，產生（作物、報酬、利益等）。2 給與，讓與；讓渡；放棄（權利、地位等）；交出。3 承認。4 ...
  1. Jerusalem artichoke is a new - style perennial species, which has high yield, alkali - resistance, the ability against drought, cold and extensive adaptability

    摘要菊芋是一種多年生、高產、抗寒、抗旱、耐一定鹽堿，並具有廣泛適應性的新型物種。
  2. Forages usually consist of perennial plants that must be managed in order to maximize long term yield, he says

    「牧草通常由一些多年生植物組成，為了實現長期高產，必須對它們進行管理。 」他說。
  3. In order to solve the problem of not bearing fruits of perennial dongzao tree, many experiments were conducted at jinghai county, xiqing district, ninghe county and other plots, and finally the good quality and high yield were gained

    為了解決多年生冬棗樹不結果的問題，在天津市靜海縣、西青區、寧河縣等地對多年不結果的冬棗樹進行了技術示範，達到了優質高產的目的。
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