fertility statistics 中文意思是什麼

fertility statistics 解釋
生育力統計
  • fertility : n. (opp. sterility)1. 肥沃,豐饒;肥力,肥(沃)度;(土地的)生產力。2. 【生物學】能育性,繁殖力。3. (思想等的)豐富。
  • 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〉。
  1. Rural fertility rates are believed to be higher than china ' s statistics show, since many children are concealed from census takers

    農村生育率肯定比中國的統計數字要高,因為在人口普查中很多孩子被隱瞞了。
  2. 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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