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中间球海胆
释义
中间球海胆
Encyclopedia
农学
中间球海胆
释
sea urchin
中间球海胆
棘皮动物门(Echinodermata)游在亚门(Eleutherozea)海胆纲(Echinoidea)正形目(Centrochinoidea)球海胆科(Strongylocentrotidae)球海胆属(Strongylocentrotus)一种。又称虾夷马粪海胆。
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exactness
exactness axiom
exactness of a sequence
exactness of reproducibility
exactness of reproduction
exactness theorem
exact number
exact organization scheme
exact pair
exact penalty function
exact penalty method
exact period
exact row
exact sampling
exact sampling theory
exact science
exact search
exact sequence
exact solution
exact square
exact symplectic mapping
exact test
exact trace
exact triangle
exact trilinear coordinate
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