- 更多网络例句与年伐量相关的网络例句 [注：此内容来源于网络，仅供参考]
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Based on the information taken from the subcompartmental records a comparison between the actual and normal forests was made and a new point of view was proposed in the article: in the case of cultivating timber-forest which is different in cutover age, age class and growing speed within the range of the whole forest station, the forest age class distribution showing the opposite shape of "J" is of more benefit to keeping the relative stability of all the age class area than the age class distribution of th...
本文在统计森林资源小班档案卡片有关资料的基础上，把现实林分与法正林相比较，用法正林学说来指导全场森林的调查。并提出了一个新的观点：在整个经营单位内，培育不同生长速度，不同主伐年龄，龄级期不同的用材树种，森林的龄级结构呈反"J"形分布此法正分布更有利于维持各龄级面积的相对稳定，并且，年伐量的波动不大，有利于森林的永续利用。
- 更多网络解释与年伐量相关的网络解释 [注：此内容来源于网络，仅供参考]
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periodic migrainous neuralgia：周期性偏头痛性神经痛
periodic mean annual intermediate yield 定期平均年疏伐量 | periodic migrainous neuralgia 周期性偏头痛性神经痛 | periodic model 周期模型