statistics of population change 中文意思是什麼

statistics of population change 解釋
人口變動統計
  • statistics : n. 1. 統計學,統計法〈用作單數〉。2. 統計數字[資料],統計表〈用作復數〉。
  • of : OF =Old French 古法語。
  • population : n. 1. 人口;人口總數;全體居民;人口的聚居。2. 物的全體[總數];【生物學】蟲口;種群(量);群體;族,組,個數;【統計學】對象總體,全域。3. 【物理學】布居;密度。4. 〈罕用語〉殖民。
  • change : vt 1 改變,變更,變換,變革。2 交換;兌換;把(大票等)換成零錢;把(支票等)兌成現金。3 換(車、...
  1. With gis, gps supporting, all of the data collected, including statistics data, farmers input and output data, soil fertility data, water depth and quality data, etc. were put on the land use map. by comparing the temporal and spatial changes of these data, there were following conclusions out coming : ( l ) the change of cultivated land shows this tendency : rapid increasing period, rapid decreasing period, slow decreasing period, stable period, the driving force of cultivated land change are population change, climate change, technical change, the economic development and the national policies

    以曲周縣1 : 5萬土地利用現狀圖、土壤圖為基礎圖件,依託gis和gps信息技術,利用曲周縣統計年鑒、土地利用變更調查、農戶調查、不同用地類型的土壤養分、地下水位、水質等數據資料進行綜合分析,得出了以下主要結論: ( 1 )建國以來,曲周耕地數量經歷了增加急劇減少緩慢減少相對穩定的變化過程。
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