矮林: coppice; copse; low forest; ...作业: school assignment法: law简单矮林作业法: simple coppice system两次轮伐矮林作业法: coppice of two rotations system矮林作业: coppicing中林作业法: coppce-with standard system; coppice with standard单纯矮林作业: single coppice system乔木矮林作业: coppice with reserve择伐矮林作业: selection coppice system矮林混林作物: coppice with field crops system作业法: regimen; working system保残林作业: system of high forest with standards保续林作业: continuous forest method萌发林作业: sprout method萌芽林作业: soroutsystem农林作业: agrisilviculture乔林作业: high forest system; seed system; seedling forest system森林作业: forest operation中林作业: composite system; reserve-sprout system; standard coppice system矮林混农作业: coppice with field crops system矮林择伐作业: coppice selection system多层乔林作业: many storied high forest system保留作业法: reserve cutting闭式作业法: close process
