繁體版 English
登录 注册

fertility change中文是什么意思

发音:  
用"fertility change"造句"fertility change"怎么读"fertility change" in a sentence

中文翻译手机手机版

  • 育性转化

例句与用法

  • Due to a large population and the scarcity of soil resources , worldwide attention has heavily focused on the soil fertility changes in china , since early 1980s
    中国人口众多,土壤资源有限,其80年代初以来的农地土壤肥力变化备受世人关注。
  • The econometric results in this dissertation show that socio - economic and policy factors indeed have an important influence on soil fertility change . more specifically , the results show that tenure security may improve soil fertility such as organic matter
    根据土壤肥力变化趋势和社会经济调查数据,我们首先对土壤肥力因子和可能影响土壤肥力变化的社会经济及政策变量进行了单因素分析。
  • Abstract : according to the daga of crops yield and soil fertility changes of long term application of fertilizer and nutrients recycling obtained from ecological stations scatrtered in four typical areas under chinese academy of sciences and state minisetry of science and technology , the circulation ratios of organic carbon , phosphorus and nitrogen in the process of feeding - composting in were put forward in the agricultural system of black soi area , the ratios were about 0 . 3 , 0 . 61 and 0 . 49 , respectively
    文摘:根据中国科学院和国家科技部分布于四大类型地区的生态站进行的长期施肥及养分循环再利用的作物产量、土壤肥力质量变化研究数据,提出了黑土区农业系统投料中有机碳和磷、氮在饲养? ?堆腐过程中的循环率。
用"fertility change"造句  
fertility change的中文翻译,fertility change是什么意思,怎么用汉语翻译fertility change,fertility change的中文意思,fertility change的中文fertility change in Chinesefertility change的中文fertility change怎么读,发音,例句,用法和解释由查查在线词典提供,版权所有违者必究。