“precambrian flora”的概念、定义、翻译、参考文献-科学参考

单词	precambrian flora
释义	precambrian flora Encyclopedia 理学古植物学释 precambrian flora前寒武纪植物前寒武纪（5.4亿年以前）和早古生代是藻类植物的时代。35亿年前或略早于35亿年前到大约15亿年的前寒武纪地球上只有细菌和蓝藻。它们都是原核生物。从15亿年前到寒武纪（5.4亿年前）地球上除细菌和蓝藻外，已有绿藻、红藻和褐藻。
随便看	probabilistic modeling probabilistic network model probabilistic number theory probabilistic parallel algorithm probabilistic planning probabilistic potential theory probabilistic primality testing probabilistic process probabilistic quantifier probabilistic quantum cloning probabilistic quantum Hoare logic probabilistic reasoning probabilistic relational model probabilistic representation probabilistic restriction probabilistic retrieval model probabilistic risk assessment technique probabilistic roadmap method probabilistic rule probabilistic scheduling method probabilistic segmentation method probabilistic statistics probabilistic Turing machine probabilistic valence pattern probabilities distribution

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