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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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hybrid soil erosion driven by alternate action of freeze-thaw,wind and water
hybrid soil erosion driven by alternate physical-chemical action
hybrid solar cell
hybrid spread spectrum
hybrid star
hybrid state
hybrid station
hybrid stationary phase
hybrid stepping motor
hybrid storage
hybrid structure
hybrid sturgeon
hybrid subsonic-supersonic combustion mode
hybrid supercapacitor
hybrid symbolic-numeric computation
hybrid system
hybrid systems
hybrid telescope
hybrid turf
hybrid underwater vehicle
hybrid vehicle
hybrid ventilation
hybrid vigor
hybrid virus
hybrid welding
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更新时间:2026/9/10 23:55:47