Standing stock table is a necessary tool for forestry management, whose precision directly affects the reliability of the forest survey.
立木材积表是森林经营中必不可少的工具，材积表的精度直接影响森林调查结果的可靠性。
Under the condition of re-observation, the relative errors of measuring area with the pocket GPS could reach 2.0% , which could meet the precision demand of measuring area in forestry practice.
在重复观测的条件下，手持GPS测量面积的相对误差可以达到2.0％，基本满足林业生产中测量面积的精度要求。
The key for increase estimate Precision of stand volume is to understand well the interior of forestry reflective spectrum.
提高我国南方山地森林蓄积量遥感估算精度的关键在于准确理解森林反射光谱的内涵。
The results showed that the application of Robust Estimation Theory in forestry gray modeling could not only avoid the effect of gross error, but also reach the predicted precision over 80%.
结果表明，利用稳健估计理论来进行林业灰色建模，不但可以抗击粗差的影响，而且预测精度基本满足在80%以上。
This research is the basic subsystem of forestry stereo vision system, which makes automatic tree size measure become reality to improve the efficiency and precision of the forestry measure work.
本文是林业立体视觉测量技术研究的一个基础部分，林业立体视觉测量技术的目的是实现测树自动化，以提高测量的效率和精度。
The leverage of synchronously closing machine is important for multilayer hot-press in forestry industry because its closing precision directly affects products quality.
杠杆式同时闭合机构是人造板工业中多层热压机的重要装置之一，其闭合精度直接影响到产品质量。
The leverage of synchronously closing machine is important for multilayer hot-press in forestry industry because its closing precision directly affects products quality.
杠杆式同时闭合机构是人造板工业中多层热压机的重要装置之一，其闭合精度直接影响到产品质量。
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