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一、调查员使用地形图不够熟练,小班勾绘合格率小,超差率大。 86年3月参加西泽片集训的调查员6人,对5个小班(有林地小班4个,灌木林1个)进行了面积勾绘考核,其中小班面积精度合率为100％的1人,合格率达40％的3人,合格率为20％的一人,全部超差的1人。 90林班1小班为疏林地,原调查面积10.1公
First, the investigators use terrain map is not proficient, small drawing small pass rate is small, the rate of super-large. In March 1986, there were 6 investigators who participated in the training of Nishizawa tablets. The examination of the area was carried out on 5 small classes (4 small classes with shrubs and 1 shrubbery), of which 1 was composed of 100% of students with a small class size accuracy of 100% , Pass rate of 40% of 3 people, a pass rate of 20% of the one, all over the poor one. Small class of Linban 1 was sparse woodland, the original survey area of 10.1 public