secondary productivity 中文意思是什麼

secondary productivity 解釋
次級生產力
  • secondary : adj 1 第二（位）的，第二次的；中級的 （opp primary）。2 副（的）；從屬的；附屬的；輔助的；補充的...
  • productivity : n. 1. 多產，豐饒。2. 生產率；生產能力。
  1. ( 2 ) the secondary productivity increases quickly in this area, however the effect of coupling between agriculture and animal husbandry is poor

    （ 2 ）區域的次級生產力發展較快，但案例研究表明，農牧系統相互耦合機制尚未形成，農牧業整體上仍處于非協調發展時期。
  2. After the primary and secondary selection, 7 strains were tested to have higher productivity than the starting strain. of the 7 strains, strains s1 - 007, s1 - 123 and s1 - 018 were proved to produce more maduramicin than the starting strain. compared with 6236ug / ml of the starting strain, the productivity of the above three strains reached 8020 g / ml, 8254 g / mland9175 g / ml respectively

    出發菌株尤馬馬杜拉放線菌s - 1 ，經過鏈黴素抗性篩選，挑取223個菌株，經過初篩和復篩得到7株菌株馬杜黴素的產量高於出發菌株，其中3個菌株s1 - 007 、 s1 - 123和s1 - 018的產素量與出發菌株的6236ug ml相比有較大提高，分別為8020ug ml ， 8254ug ml和9175ug / ml ，尤其是突變菌株s1 - 018的產量比出發菌株高47 。
  3. 1. this paper first puts forward the framework of agro - ecosystem productivity constituted by primary productivity. secondary productivity. economic productivity of peasants household, ecosystem services productivity and their evaluation indices, in which the approach of emergy analysis and ecosystem service was introduced and applied after being revised

    論文的主要進展歸納如下： （一）本文創造性地提出了由區域初級生產力、次級生產力、農戶經濟生產力以及生態系統服務生產力四部分組成的農業生態系統生產力分析框架模型及評價指標體系。
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