伞伐 [sǎn fá]

• {林} shelterwood cutting
• 短语:
  • 伞伐法 shelterwood method;
  • 伞伐更新 compartment system; regeneration under shelterwood system;
  • 伞伐作业 felling for shelterwood system;
  • 伞伐作业更新林 regenerated forest under shelterwood system