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几丁虫
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几丁虫
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理学
微体古生物学
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chitinozoa
几丁虫
一类已灭绝、亲缘关系不明、分类位置不确定的海洋微体浮游生物。又称几丁壳、几丁石或胞石。
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Product Line Pricing
product log function
product management
product manifold
product mapping
Product/Market Evolution Portfolio Matrix
product matrix
product measurable set
product measurable space
product measure
product measure space
product metric
product metric space
product modeling
product modularization
product module
product moment
product-moment coefficient of correlation
product-moment correlation
product-moment correlation coefficient
product moment of area
product neighborhood
product noise standard
product notation
product object
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