这样的研究调查是有关保护热带森林知识的强大源泉。
Such research inquiry is a powerful source of pertinent knowledge for protecting tropical forests.
大约在制铁技术传到欧洲的同时，西非的森林和大草原上也开始有了制铁的知识。
Knowledge of iron making penetrated into the forest and savannahs of West Africa at roughly the same time that iron making was reaching Europe.
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.
应用推荐