本文在综合森林覆盖率、活立木蓄积量、单位面积森林蓄积量等传统林业评价指标的基础上，研究提出了一项新的指标——森林厚度。
Based on the comprehensiveness of forest coverage rate, total standing forest stock, average forest volume, a new indicator called 'Forest Thickness'(FT) is put forward in this paper.
保定市林业资源现状是单位蓄积量低，林木产出量低，林木资源的利用率低，无形资本有形转化率低。
The current situation of forestry reserves in Baoding City is low reserves per unit, low output of woods, and low rate of the transformation from intangible prosperties to tangible prosperties.
但是高分辨率遥感影像在林业领域中的应用面临诸多问题，如数据源的价格偏高、图像阴影无法去除、树种识别困难和森林蓄积量估测精度不高等。
However, there appear many problems in its application in forestry, such as the high price of data, the irremovability of image shadow, the low accuracy of quantitative estimation, etc.
利用SD大鼠评价鹿鞭酒的急性毒性、蓄积性毒性及微核率来证明饮用的安全性。
The evaluations of acute toxicity, accumulative toxicity and micronucleus rates were made with SD rats.
蓄积量调查是一个不可见的被估测因子，无法直接利用高空间分辨率卫星影像。
Stock volume which is an important factor in forest resources investigation can't be obtained directly by remote sensing image.
相对摄取率的数据显示，紫苏醇在肝、脾、肺及肾组织中有蓄积作用。
The relative tissue exposure result indicated that perillyl alcohol accumulated in liver, spleen, lung and kidney.
相对摄取率的数据显示，紫苏醇在肝、脾、肺及肾组织中有蓄积作用。
The relative tissue exposure result indicated that perillyl alcohol accumulated in liver, spleen, lung and kidney.
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