conservation species是什么意思

conservation species是什么意思 英语翻译The Fisheries Society of the British Isles (FSBI) considers that scientists should avoid research threatening the conservation status of any species of fish conservation是什么意思 conservation是什么意思 conservation of It is widely used to identify species in need of conservation measures and sites of crucial importance for biodiversity ,and also to track progress on reducing biodiversityloss and to guide resourse allocation distribution .这里面的allocation dis keystone species index species,indicator species是什么意思 conservation-tests是什么意思 conservation什么意思 conservation的意思 power conservation是什么意思 conservation什么意思? biological conservation是什么意思 water conservation是什么意思 power conservation是什么意思 The conservation group said half the mammals thathave become extinct globally in the last 200 year have been Australian species.在that引导的定从中真正的动词是什么?是have become 还是have been.如果是其中一个那另一个在句 conservation是什么意思啊?如何背?