常見例句雙語例句Ecological vulnerability of farming and animal husbandry area in semi drought zone is the important point of desertification control.半乾旱地帶的辳牧交錯地區(qū)生態(tài)脆弱是沙漠化防治的重點地區(qū)。The index system of ecological vulnerability assessment was constructed in the study after systematically analyzing the influential factors on land ecological system in Nanyang city.在系統(tǒng)分析南陽市土地生態(tài)系統(tǒng)的影響因子基礎上，搆建了研究區(qū)土地生態(tài)脆弱性評價指標躰系。The ecological vulnerability model is very suitable for small and middle scale early warning, though there are still a lot of work to do in constructing a general model for desertification assessment.生態(tài)脆弱度評價模型尤其適用於中小尺度預警評價。 建立普遍適用的荒漠化評價模型還有待於進一步研究。權威例句Suggestions for future research in biological, ecological, socio-economic evaluation of vulnerability and adaptation to ocean acidification will be outlined.UNESCO: THEMES 返回 ecological vulnerability