classes of cities 中文意思是什麼
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Better roads and better vehicles at first induced the wealthier classes to live on the outskirts of the cities.
較好的道路及較好的車輛首先吸引富有階層的人住到市郊去。 -
Chapter four proposes the new idea of classifying jiangzhou ancient city from the angles of preservation and development respectively, orientates and re - cognisation the characteristics of jiangzhou ancient city confirms the classes and content of the preservation, proposes protection methodology of trending landscape and embody the modern function, at the same time, uniting the ideal of chapter four summarizes the scientific meaning and action principles of the historic cultural cities preservation
第四章結合我國歷史文化名城的分類辦法，分別從保護、發展的角度提出了絳州古城分類的新觀點，對絳州古城的特色進行了進一步的定位及再認識，確定了保護的層次與內容，提出了「方位動態景觀保護法」和「時代功能注入法」的保護方法。同時結合第四章的觀念，總結了歷史文化名城保護的科學含義及實施原則。 -
The remote sensing imagery change detection can be categorized into three classes according to the aims of the processing : the change detection of the specific targets, such as changes of the airports, the bridges, the harbors, the missile bases etc. ; the change detection of the linear shape targets, such as changes of the roads, the airports, the buildings and the other linear targets whose outlines can be described by some lines ; the change detection of large area targets, such as the changes of the cover of some region, the development of the cities, the disaster evaluation of the floods and so on
遙感圖像變化檢測方法（簡稱變化檢測）根據處理目標要求可以分為三類：特定類目標的變化檢測，如機場、橋梁、港口、導彈基地等目標的變化檢測；線性體目標的變化檢測，如道路、機場、橋梁和一般建築物等目標的變化檢測；大面積目標的變化檢測，如某地域的植被變化、城市的發展、洪水災害評估等。本文系統地研究了基於模式識別知識檢測特定類目標、線性體目標和大面積目標變化的變化檢測方法。
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