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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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hard disk recorder for real time slow motion
hard disk, rigid disk
hard drawing
Hard-edge Painting
hard electron
hard ellipsoid of revolution type potential
hard ellipsoid potential
hardenability
hardenable
hardener
hardening accelerating admixture
hardening of seedling
hardening of the neutron spectrum
hardening rate
hardening rule
hardening seedlings
hardening strain
hardenite
hard environment
harderian gland
hard error
hard excitation
hard-facing materials
hard-facing materials made by powder metallurgy
hard fault
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