哈勃望远镜新摄取的图像没有显示出那里有作为爆炸特征的黑羽碎片，如果确是对象爆炸，那么这些黑羽碎片是会出现的。
The new Hubble images show no dark debris plume, which would have been present if the object exploded.
另一个是在丹麦发掘到的始新世（5500万年前）的一根羽骨。
The other was a feathered skull from the Eocene (55m years ago) that had been unearthed in Denmark.
承担国家基金重大项目孢子植物志之海洋羽纹纲硅藻志编研、国家973子项目、国家基金仪器专项等20余项。发现15个硅藻新种和约150个新纪录种。
More than 20 research projects including "973", NSFC projects were granted by national and provincial science funds. 15 new diatom species and 150 new record species in China were found.
应用推荐