1) rational annual cutting
合理年伐量
1.
The method of periodic balance,which is mainly suitable for the cutting determination of the timber forest,is adopted to determine the rational annual cutting in certain period of forest management to achieve forest resource sustainable utilization.
采用“分期平衡法”确定某经营期间森林的合理年伐量,以实现森林资源的永续利用。
2) the rational annual cut of forests
森林合理年伐量
1.
The analysis determination of the rational annual cut of forests is one the critical techniques used to work out the quota of the annual forest cut.
本文从森林永续利用理论出发，以消长比度、成熟林采伐度、龄级结构改善度、流量均衡度、需要满足度５个指标建立了分析确定的综合评价模型，提出了森林合理年伐量分析确定的精确化方法，从而有效地保证了结果的科学性和准确性。
3) Optimal felling volume
合理采伐量
5) annual cut
年采伐量
1.
Calculation formulae including predictor formulae for growth and deline of forest resources, the formulae for annual cut and filing data replacement of forest resources suitable fordifferent operation systems in North and South China are inferred and demonstrated.
本文推证出适合我国南北方林区不同采伐作业制度的森林资源消长预测公式、森林年采伐量计算公式和资源档案数据更新计算公式。
6) annual forest yield
年伐量
1.
Discussion on rational annual forest yield of commercial forest in Mulan-weichang Forestry Administration;
木兰林管局商品林合理年伐量的探讨
补充资料：合理储存量
合理储存量：指在新的商品(或生产资料)到来之前，能保证在这个期间商品(或生产资料)正常供应的数量。合理储存必须以保证商品流通正常进行为前提。
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