China has been a net oil importing country since 1996 . the oil comsuption has increased obviously after 2000 , the development ratio of the oil importing has been increased from 6 . 4 % in 1993 to 44 . 8 % in 2004 我國從1996年成為原油凈進口國, 2000年以后石油消費年均增長率明顯加快,進口依存度已從1993年的6 . 4提高到2004年的44 . 8 % 。
In the part 1 and 2 , the article throws light on concepts concerned at first , then analysis of process and features about industrial development zones in shanghai are mainly discribed in the part 3 . as the focal point , the economic effect of development zones in shanghai is analyed in detail in part 4 . first of all . the impact of development zones on regional an metropolitan economy is theoretically studied . then . the thesis focus on the economic effect of development zones in shanghai by analying the land development ratio . investment strength . output effect per person and per km2 , and comprehensive economic effect with multi indicators . part 5 studies the patter of management and absorbing foreign investment in industrial park 首先,從理論上闡述了開發區對城市經濟和區域經濟發展的重要作用。然后,通過對上海主要開發區的土地開發率、投資強度、人均產出率、地均產出率和多指標的綜合經濟效益分析,對上海主要開發區的經濟績效進行了較詳盡的分析,并將分析結果進行了小結。在分析綜合經濟效益時,作者運用統計軟件進行了系統聚類分析,將開發區的經濟發展水平劃分為四大類。
Its development process since 1949 indicates that institutional innovation and the advancement of agricultural technology are two main factors of promoting the development of agricultural natural resources use in pylr . and under the given institutional and technological circumstances the disparities in resource endowment including natural resources and social - economic resources play an important role in different structure types and development ratio of agricultural natural resources use in pylr 建國后湖區農業自然資源利用的演變過程說明,宏觀意義上的制度安排和科技進步成為湖區農業自然資源利用演變的基本力量;而在一定的制度規則和科技水平下,湖區系統內部資源稟賦(包括自然資源和社會經濟資源)的差異在湖區農業自然資源利用結構類型產生分異和生態經濟發展由“同步”走向“異步”的過程中作用重大。
B we have taken a prudent approach as the market has just begun to stabilise and there is still an abundant supply of private residential flats . we only put in an appropriate number of sites , most of which are small and medium in terms of land size and development ratio in order to avoid any sudden upsurge in the supply of residential flats 二由于市場剛剛稍見穩定,而目前私人住宅供應仍相當充裕,我們會審慎地放入適量土地,而地皮面積及發展比率亦會以中小型為主,以免令住宅供應量突然飆升
This mode aims at structuring " resources - products - wastes - whether it is and then resource " last closed loop type economic system , it is a new economic configuration that adapt to and optimize the economic structure , utilize resource , entironment protection , advance sustainable development ratio nally , and will become a kind of development trend in the 21st century 這一模式旨在構建“資源? ?產品? ?廢物? ?再資源”的閉環式經濟系統,是適應于優化經濟結構、合理利用資源、保護生態環境、推進可持續發展而產生的一種新的經濟形態,并將成為21世紀的一種發展趨勢。