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age spectrum meaning in English

年龄谱

Examples

  1. 40ar - 39ar age spectrum of chengjiang fauna horizon
    澄江动物群产出层位
  2. The age spectrum of rhizome is very changeable during the growing season
    在生长季的不同时期,根茎的年龄结构有较大的变化。
  3. At the other end of the age spectrum , state pensions systems face difficulties now , when there are four people of working age to each retired person
    而在年龄段的另一边,国家退休金系统目前面临困难,每四个工作的人负担一个退休人员。
  4. The tiller - nodes of 6 species of rhizome grass , including leymus chinensis , hemarthriajaponica , arundinella hirta , calamagrostis epigeios , c . rigidula , hordeum brevisubulatum in songnen plain , can live at best for 2 to 5 years , and do 2 to 4 propagating generations which is the same as the age class of tiller in number . the age structure of population is an increasing model which the young tiller is more than the old at quantity and biomass . during the whole growing season , the age spectrum varies for each species
    松嫩平原,羊草、牛鞭草、野古草、拂子茅、硬拂子茅和野大麦等6种根茎型禾草种群的分蘖节最多可以存活2 5个年度,可以进行营养繁殖2 4个世代,分蘖株的龄级数与分蘖节营养繁殖的世代数相同,在种群分蘖株的数量和生物量上,生长季的各个时期均以幼龄分蘖株占较大比例,呈现为明显的增长型年龄结构,各种类的年龄谱组成各异。

Related Words

  1. spectrum intervals
  2. source spectrum
  3. sky spectrum
  4. gradient spectrum
  5. invisible spectrum
  6. spectra methods
  7. spectrum shape
  8. wavelength spectrum
  9. gaseous spectrum
  10. aston spectrum
  11. age specific survival rate
  12. age spectra
  13. age stratification
  14. age strength relation
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