• 严重掠夺行为采伐森林,导致如今海地森林覆盖率只有2%。

    The greatest predation was the deforestation of Haiti, so that only 2 percent of the country is forested today.

    youdao

  • 巴西亚马孙河采伐森林在2007年最后个月中到达了一个记录

    Brazil said that deforestation in the Amazon reached a record rate in the last five months of 2007.

    youdao

  • 该机主要用于经济林观赏林苗木的挖掘移栽胸径12公分以下的半成材林、淘汰林的移栽采伐,能够保持球的完整便于运输,提高成活率

    The machine can adapt small wood and view and admire little trees remove, below 12 centimetres trees remove. And can protect the earth full, transportation convenience, and good survive.

    youdao

  • 影响油锯择伐作业中保留木损伤率的因素很多,经过分析可知采伐强度林分密度采伐木单株材积是影响保留木损伤率的主要因素。

    Selective cutting intensity, stand density and felling tree volume per stem were considered as the major influencing factors by analyzing related researches at home and abroad.

    youdao

  • 影响油锯择伐作业中保留木损伤率的因素很多,经过分析可知采伐强度林分密度采伐木单株材积是影响保留木损伤率的主要因素。

    Selective cutting intensity, stand density and felling tree volume per stem were considered as the major influencing factors by analyzing related researches at home and abroad.

    youdao

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