非整倍性是指个体的染色体不均衡或者或者某些染色体比正常人的染色体数目多或者少包括唐氏综合症。
Aneuploidy is a chromosomal imbalance of one or a few chromosomes above or below the normal human chromosomal number of 46, which may lead a child to have abnormalities including Down Syndrome.
丰收年多积累一点，灾荒年或者半灾荒年就不积累或者少积累一点。
Accumulate more in good years and less or none in years when the crops half fail or totally fail.
丰收年多积累一点，灾荒年或者半灾荒年就不积累或者少积累一点。
Accumulate more in good years and less or none in years when the crops half fail or totally fail.
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