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首现点
释义
首现点
Encyclopedia
理学
生物地层带
释
first appearance datum
首现点
某一化石分类单元在地层中出现的第一个层位(薄层)。是生物面的一种。又称首现基准面。
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intersect transversally to
intersegmental membrane
intersegmental part
intersegmental reflex
intersemiotic translation
intersex
intersexuality
intersexuality of animals
intersexual selection
inter-simple sequence repeats,ISSR
inter-sixtile distance
intersolubility
interspace
interspecies
interspecies adaptation
inter-specific association
interspecific competition
interspecific crossing
interspecific difference
interspecific hybridization
interspecific interaction
interspecific justice
interspersed repetitive sequence PCR,IRS-PCR
interspersion
intersphere
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