1) young and middle aged stand tending
中幼龄林抚育
4) unmature forest
中幼龄林
1.
Summary and exploration of technology and theory on tending unmature forest in Beijing Ciry;
北京市中幼龄林抚育技术和理论的总结与探索
5) young-and middle-aged stand
幼、中龄林
1.
Larch is a tree species that is widely and easily planted,so it is important for early management to study growth pattern of principal measurement factor in young-and middle-aged stands.
落叶松是一个分布广,易栽培,早期生长快的树种,因此,研究落叶松幼、中龄林主要测树因子的生长规律,对落叶松的早期管理有着很重要的指导意义。
6) Seedling tending technique
幼林抚育技术
补充资料：幼龄
1.幼年。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条