The features of these molecular fossils are used to study the paleoenvironment during the dinosaur age.
利用这些分子化石的特征讨论了恐龙生活时代的古环境特征。
The evidence from molecular clocks, fossils and geographic distribution data on the origin time of angiosperms has been greatly accumulated in the past two decades.
分析了用于推测被子植物起源时间的分子、化石和地理分布证据。
The evidence from molecular clocks, fossils and geographic distribution data on the origin time of angiosperms has been greatly accumulated in the past two decades.
分析了用于推测被子植物起源时间的分子、化石和地理分布证据。
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