age dependency 中文意思是什麼

age dependency 解釋
年齡撫養比率
  • age : n 1 年齡。2 成年〈滿廿一歲〉。3 老年，晚年。4 壽命；終生，一生。5 時代，時期，年代。6 〈口語〉很...
  • dependency : n. 1. 依存，從屬。2. 從屬物。3. 屬國，屬地，保護地。
  1. The age dependency ratio, i. e. the ratio of the young and the aged to people in the age group of 15 to 64, dropped from 403 per 1 000 in 1996 to 396 per

    撫養比率（即幼童及長者與15至64歲人士的比率） ，由一九九六年的千分之四零三降至二零零零的千分之三九六。
  2. The age dependency ratio - the ratio of the young and the aged to people of age 15 to 64 - dropped from 433 to 387 per 1 000 over the decade

    撫養比率（即年幼及年老人士與15至64歲人口的比率） ，由一九八八年的千分之四三三降至一九九八年的千分之三八七。
  3. So the economic dependency among units is analyzed, and the recursion relationship of failure rate between pre and post imperfect preventive maintenance is built up concerning with the concept of age reduction factor, furthermore, the optimal maintenance model is proposed to minimize the maintenance cost rate, and the model is subject to the reliability

    該模型分析了復雜系統中存在的維修經濟相關性，並考慮了實際預防維修中的不完備性，為此引入了役齡回退因子對預防維修活動前後系統性能的動態變化進行了描述。
  4. Consequently, the rate of natural increase dropped from four to two per 1 000 over the same period. the age composition of the population can be reflected from the dependency ratio. the ratio of people aged under 15 and aged 65 and over to the population of working age ( aged 15

    15歲以下和65歲及以上人口與工作年齡的人口（ 15至64歲人士）的比率，即總撫養比率，由一九九七年的千分之三九九降至二零零二年的千分之三八一。
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