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古羊齿目
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古羊齿目
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理学
古植物学
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古羊齿目
前裸子植物的一目。晚泥盆世森林中真正的木本树蕨,高达10~30米,直径1.6米左右。北半球常见。
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ACV
AC voltage standard
ACW
ACWF
acyclic
a cyclic alternating dance between people at a banquet
acyclic carrier
acyclic chain
acyclic chain complex
acyclic cochain
acyclic cochain complex
acyclic complex
acyclic compound
acyclic continuum
acyclic database
acyclic diene metathesis polymerization
acyclic diene metathesis polymerization (ADMET)
acyclic digraph
acyclic diterpene
acyclic element
acyclic function
acyclic graph
acyclic group
Acyclic hydrocarbons biomarkers
acyclic isoprenoids biomarkers
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