机械抽样在林业伐区蓄积量调查中的应用

Mechaical Sampling used in the investigation of the wood growing stock in forest areas

本文叙述了过去林业伐区木材蓄积量调查的一般概况。在学生生产实习中采用了机械抽样方法进行木材蓄积量调查，结果表明，该方法缩短调查时间，降低生产成本。

The article notices (refers to)the common cases of the investigation of gnowing stock in cutting woods in forest regions .The students make use of the method of the mechanical sampling to carry out the investigation of growing stock.As a result,it shows that the method can shorten the time,and neduce the productivity and has a good result.