預先老化 的英文怎麼說

中文拼音 [yùxiānlǎohuà]
預先老化 英文
preliminary ageing
  • 預 : Ⅰ副詞（預先; 事先） in advance; beforehand Ⅱ動詞（參與） take part in
  • 先 : 名詞1 （時間或次序在前的） earlier; before; first; in advance 2 （祖先; 上代） elder generation; ...
  • 老 : i 形容詞1 （年歲大） aged; 活到老 學到老。 you will never cease to learn as long as you live ; li...
  • 預先 : in advance; beforehand
  • 老化 : age; ageing; burn-in; preburning; maturing
  1. First the author estimates the current situation of population aging in china ; then, analyzes and forecasts the degree of population aging and population structure in the period of 2001 - 2050 in china, calculates the standard coefficient of retirements income in china according to the theoretic methods provided by the author ' s research, estimating the path of the ratio of chinese social security fund to gdp. in the end the author gives some policy recommendation based on the research

    首先是對中國老齡化現狀的分析；其次是對中國2001 - 2050年的老齡化及人口結構變動趨勢進行分析與預測；再次是依據本文研究出的理論對中國養老標準系數臨界點的測算；第四是對中國社會保障資金與gdp之比的未來增長路徑進行了數理推導，並進行實際測算；最後給出基於本文研究成果基礎上的相關政策建議。
  2. Ground - up shells of marine organisms mixed with pebbles, clay and eroded rock, deposited there over many millennia, now form a bed of muddy paste that is so soft and well lubricated that the ice streams can glide along even more easily than earlier researchers expected

    有科學家將積冰融化出一公里長的窄洞，採集古老海床的樣本，結果發現地底混雜了海洋生物殼體、礫石、黏土與風化巖，幾千年下來形成又軟又滑的泥床，使冰流較先前研究人員預期的更容易滑動。
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