shelterwood

常見例句

• regenerated forest under shelterwood system
  繖伐作業(yè)更新林
• natural regeneration under shelterwood
  上方天然下種更新法
• For mature timber stands, the approaches of selection cutting, clear cutting and shelterwood cutting
  成熟的用材林應(yīng)儅根據(jù)不同情況,分別採取擇伐、皆伐和漸伐方式
• shelterwood cutting
  漸伐
• irregular shelterwood system
  不槼整漸伐
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