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pterosaur eggs
释义
pterosaur eggs
Encyclopedia
理学
爬行纲(化石)
释
pterosaur eggs
翼龙蛋
翼龙所产的蛋而形成的化石,通常仅有蛋壳部分,少数情况会保存翼龙胚胎。
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estimation of land surface variables
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estimation of parameters
estimation of quality for airborne gravity survey
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