在发展中国家，许多农村居民和传统森林居民在管理昆虫以生产粮食方面具有丰富的知识。
In developing countries many rural people and traditional forest dwellers have remarkable knowledge about managing insect populations to produce food.
课程提供了土壤保护和灌溉管理，昆虫学，景观设计的实用知识，以及轻工机械操作和修剪园林植物技能的培养。
Courses provide a practical knowledge of soil conservation and irrigation management, entomology, landscape design, and the operation of light machinery for cultivating and pruning landscape plants.
课程提供了土壤保护和灌溉管理，昆虫学，景观设计的实用知识，以及轻工机械操作和修剪园林植物技能的培养。
Courses provide a practical knowledge of soil conservation and irrigation management, entomology, landscape design, and the operation of light machinery for cultivating and pruning landscape plants.
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