短語詞組短語key research issue 重要研究內(nèi)容key work issue 工作要點(diǎn)key foundational issue 根本性問題key environmental issue ikntification 確定主要的環(huán)境問題key technical issue 關(guān)鍵技術(shù)問題key environmental issue identification 確定主要的環(huán)境問題key scientific issue 關(guān)鍵科學(xué)問題key environmental issue identification w 確定主要的環(huán)境問題key environmental issue identif ncationv 範(fàn)ㄖ饕幕肪澄侍 返回 key issue