Learn the Leave No Trace principles and the Outdoor Code and explain what they mean. Write a personal and group plan for implementing these principles on your next outing.
学习“不留下痕迹”原则和户外代码并且解释他们的含义。为在下次外出当中实现这些原则写一个个人和团队计划。
The extended scanline method can estimate mean trace length much more exactly in case there is not a great deal of data which are surveyed in field.
扩展后的测线法在相同的现场节理调查数据下，可更加准确地估计岩体节理的平均迹长。
The main research methods:(1) Screening the principal arguments influencing stock estimation by utilizing ridge trace analysis and the principle of residual mean squares.
用岭迹分析及平均残差平方和准则筛选影响蓄积估测的主要因子；
The main research methods:(1) Screening the principal arguments influencing stock estimation by utilizing ridge trace analysis and the principle of residual mean squares.
用岭迹分析及平均残差平方和准则筛选影响蓄积估测的主要因子；
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