Therefore, deeply investigating and analyzing the character of random noise in working area and its relation with working factor have practical implication to better guiding field data acquisition.
因此,深入地调查和分析工区内随机噪音的特征及其与施工因素的关系,对于更好地指导野外数据采集具有实际意义。
Based on a large amount of investigating data, the authors use cluster analysis method with ordered samples to set dividing standards for the growth rate of secondary forests rechange.
依据大量的调查资料,应用有序样本聚类方法,按林分类型、立地条件和林龄来确定次生林改造生长量划分标准;
This thesis obtains necessary data by literature consulting, cases investigating, and questionnaire granting, as well as studies with the operation of actual cases through many points of view.
本论文采用文献查阅、案例调研、发放问卷等方式获取必要的资料,通过多方面、多角度的分析,结合实际案例的操作进行研究。
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