This paper systematlly deals with the applied theory and method of angle measuring in volume growing estimation in permanent point sampling.
本文系统研究了水平角规在固定样点监测材积生长动态中的理论与方法；
This paper systematlly deals with the applied theory and method of angle measuring in volume growing estimation in permanent point sampling.
本文系统研究了水平角规在固定样点监测材积生长动态中的理论与方法；
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