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；
We then follow the climbers' tracks, which trace the same elegant shape of the snowy ridge.
我们进而随着登山者们的足迹，他们正好描绘了高雅的雪山山脊。
We then follow the climbers' tracks, which trace the same elegant shape of the snowy ridge.
我们进而随着登山者们的足迹，他们正好描绘了高雅的雪山山脊。
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