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单词
echinoderm
释义
echinoderm
Encyclopedia
理学
棘皮动物
释
echinoderm
棘皮动物
一类身体扁平、多为五辐射对称的后口动物。包括了人们熟悉的海星、海胆、海参及海百合等,以骨板及外覆的皮膜上具有棘刺或突瘤而得名,分类上属动物界棘皮动物门。
理学
棘皮动物
释
echinoderm
棘皮动物
棘皮动物门动物的统称。
Biology
echinoderm
棘皮动物
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equational
equational category
equational class
equational class of lattices
equational closure
equational compactness
equational division
equational logic
equationally complete extension
equationally definable class
equationally equivalent system
equation clock
equation for ideal gases
equation for the components
equation in coordinates
equation in monic form
equation in nonconservation form
equation of a circle
equation of a curve
equation of a minimal surface
equation of a plane
equation of a straight line
equation of a surface
equation of boundary layer
equation of composite type
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