...收获表；蚊群算法；生长方程；资产评估；经济成熟；森林资源 ? Keywords: Schima; harvest table; mosquitoes swarm; growth equation; asset evaluation; economic maturity; forest resources 案主家中有四只宠物 ? Case there are four main family pet ..
3
?生长方程
...生长方程；资产评估；经济成熟；森林资源 ? Keywords: Schima; harvest table; mosquitoes swarm; growth equation; asset evaluation; economic maturity; forest resources 案主家中有四只宠物 ? Case there are four main family pet ..
4
?资产评估
...资产评估；经济成熟；森林资源 ? Keywords: Schima; harvest table; mosquitoes swarm; growth equation; asset evaluation; economic maturity; forest resources 案主家中有四只宠物 ? Case there are four main family pet ..
The results show that: in existing technical and economic indicator situation, the age at economicmaturity of Chinese fir plantations is 17 years when the interest rate is 5%.
结果表明：在现有技术经济指标的情况下，利率为5%时杉木人工林经济成熟龄为17年。
2
If other conditions maintain invariably, when the timber price or the cost fluctuates 20% every time, the age at economicmaturity of Chinese fir plantations will postpone or ahead of time for 1 year.
若其它条件保持不变，木材价格或成本每增减20%，杉木人工林经济成熟龄将推迟或提前1年。
3
This reflects the maturity of its economic recovery and its success in generating employment growth.