However, the application of spatial statistic analysis in domestic forestry just started, and most of forest works or researchers were short of understanding for spatial statistic analysis.
然而，空间统计分析在国内林业中应用才刚刚起步，绝大多数林业工作者或科研人员对空间统计缺乏基本的了解。
Landscape simulation is a kind of computer simulation technology applied in forestry, However, the crown architecture of a tree differs each other in its obvious fractal character.
森林景观模拟是计算机仿真技术在林业中的一个应用领域，但林木的树冠形状变化多样，具有明显的分形特征。
Vegetative propagation is widely used in forestry, however, the maturation that due to phase changes during tree development is a huge obstacle.
无性繁殖在林业中应用很普遍，而由树木发育阶段转变带来的成熟效应问题，一直是无性系造林的障碍。
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.
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, the species choosing, mode disposition and the unreasonable forestry structure has resulted in the bad effect of water and soil conservation.
但由于存在着物种选择、模式配置和林分结构不合理，导致大多数经济林水土保持效果较差。
However, this does not signify that there are not problems in the production field of forestry products at all.
但是这并不意味着在林产品生产领域不存在问题。
However, the nature, status, curriculum standards as well as the practical ways of the comprehensive training courses are not well understood in forestry institutions of higher vocational education.
综合实训课程是职业教育实践教学体系的重要组成部分，目前，我国高等林业职业院校，对综合实训课程的性质、地位、课程标准以及实施措施的认识存在不足。
However, the nature, status, curriculum standards as well as the practical ways of the comprehensive training courses are not well understood in forestry institutions of higher vocational education.
综合实训课程是职业教育实践教学体系的重要组成部分，目前，我国高等林业职业院校，对综合实训课程的性质、地位、课程标准以及实施措施的认识存在不足。
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