“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	tunnel cross section design tunnel cultivation tunnel diagram tunnel diod tunnel diode tunnel diversion tunneled space tunnel effect tunnel electrical and mechanical facilities information acquisition equipment tunnel engineering survey tunnel entrance lighting tunnel erosion tunnel excavation tunnel exploration tunnel exploratory method tunnel fatigue-awakening section tunnel gas monitoring instrument tunnel geology prediction instrument tunneling tunneling anisotropic magnetoresistance effect tunneling barrier tunneling blasting tunneling conductance tunneling current tunneling effect

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