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软骨硬鳞鱼类
释义
软骨硬鳞鱼类
Encyclopedia
理学
有颌类
释
chondrostei (fossil)
软骨硬鳞鱼类(化石)
一类以鲟形类(Acipenseriforme,包括现生鲟科和匙吻鲟科构成的鲟类或鲟超科及其化石近亲)为代表的较原始的辐鳍鱼类,有时还可包括与鲟形类亲缘关系较近的、已灭绝的比耶鱼类和龙鱼类。
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occultation time
occultation variable
occulting disk
occulting mask
occulting object
occulting source
occultor
occult precipitation
occult virus
occupancy
occupancy probability
occupancy problem
occupancy rate
occupancy; site occupation factor (SOF)
occupant density of exhibition hall
occupation
occupational acne
occupational acute allergic alveolitis
occupational analysis
occupational apparel
occupational arsenism poisoning
occupational bladder cancer
occupational cadmium poisoning
occupational carcinogen
occupational cataract
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更新时间:2026/6/11 2:14:31