“selection of superior stand”的概念、定义、翻译、参考文献-科学参考

单词	selection of superior stand
释义	selection of superior stand Encyclopedia 农学母树林释 selection of superior stand优良林分选择在天然林或人工林分中，依据实际情况比较各林分的优劣，将符合优良标准的林分筛选出来进行利用的群体选择工作。
随便看	chemical reactivity chemical reactivity hazard chemical reactor control system chemical reactor theory chemical reagent chemical reagent industry chemical recovery chemical reducing settle purity process for leach-solution of mineral materials chemical reference substance chemical refrigeration chemical registration system chemical remediation technology chemical remediation technology of fishery environment chemical risk assessment chemical risk management chemicals chemical safety awareness card chemical safety signs chemical sand control Chemicals Convention, 1990 chemical score chemicals distribution and channel management chemical sedimentation chemical sensoring underwater Chemical Sensors

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