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尾综骨类
释义
尾综骨类
Encyclopedia
理学
鸟纲(化石)
释
pygostyle
尾综骨类
一类数量很大、具有同一祖先,且具有愈合的尾综骨的鸟类群。包括朝阳会鸟(Sapeornis chaoyangensis)、圣贤孔子鸟(Confuciusornis sanctus)和所有现代鸟类,但不包括原始热河鸟(Jeholornis prima)的最广义的单系类群。
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radiation shield of nuclear power plant
radiation sickness
radiation simulation method
radiation source
radiation source in industry
radiation source; radioactive source
radiation spectrum
radiation stability
radiation sterilization
radiation sterilization devices
radiation storage effect
radiation strength
radiation surplus
radiation survey
radiation survey meter
radiation symbol theorem
radiation synthesis
radiation technology
radiation technology for flue gas purifying
radiation technology for solid waste treatment
radiation technology for wastewater treatment
radiation temperature
radiation test and evaluation
radiation test facility
radiation therapy
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更新时间:2026/6/10 3:04:23