第四類的突變 的英文怎麼說

中文拼音 [lèidebiàn]
第四類的突變 英文
phase iv
  • : Ⅰ助詞(用在整數的數詞前 表示次序) auxiliary word for ordinal numbers Ⅱ名詞1 [書面語] (科第) gr...
  • : Ⅰ數詞(三加一后所得) four Ⅱ名詞1 [音樂] (中國民族音樂音階上的一級) a note of the scale in gong...
  • : Ⅰ名1 (許多相似或相同的事物的綜合; 種類) class; category; kind; type 2 (姓氏) a surname Ⅱ動詞...
  • : 4次方是 The fourth power of 2 is direction
  • : Ⅰ動詞1 (猛沖) dash forward; shoot out 2 (高於周圍) protrude; bulgeⅡ副詞(突然) abruptly; sud...
  • 第四 : fourth第四產業 quaternary economic sector
  • 突變 : 1 (突然急劇的變化) sudden change; change suddenly; transilience; accident; saltation; revulsion...
  1. The most before all others in this part by analyzing natural changes condition of the shandong total population, the change of population age composition type, development of population age pyramid and old age at age to foster the detailed analysis of coefficient change, and unfolds before one ' s eyes a course of aging development of shandong population, then four protruding characteristics of aging development of shandong population are summed up out on this foundation : population aging speed is fast ; district difference is clear, urban and rural difference is notable ; the population age structure in " gold particular period " of population and at the initial stage of population aging

    然後分析了世界和中國人口老齡化發展特點及趨勢,為後文對山東省人口老齡化分析奠定理論和實踐基礎。二部分:山東省人口老齡化進程分析。此部分中首先通過對山東省總人口自然動、人口年齡構成化、人口年齡金字塔演和老年撫養系數詳細分析,展現出山東省人口老齡化發展過程,在此基礎上總結出山東省人口老齡化發展出特點:老齡化速度快;地區差異明顯;城鄉差異顯著;正處於人口老齡化初期和人口年齡結構「黃金時期」 。
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