“petalichthyids”的概念、定义、翻译、参考文献-科学参考

单词	petalichthyids
释义	petalichthyids Encyclopedia 理学有颌类释 petalichthyids瓣甲鱼类盾皮鱼纲瓣甲鱼目动物的统称，是一种背腹扁平的盾皮鱼类，可能与节甲鱼类具有较近的亲缘关系。
随便看	steam turbine flange steam turbine flow passage thermal calculation steam turbine for air cooling steam turbine for cogeneration steam turbine for feed-water pump steam turbine governing system steam turbine nozzles steam turbine overspeed steam turbine performance test steam turbine power steam turbine protection system steam turbine rotor steam turbine seal steam turbine shaft seal steam turbine sliding key system steam turbine speed governor steam turbine stage steam turbine thermal power system steam turbine water impact steam turbine wheel steam turbogenerator failure steam-water separation，vapor-liquid separation steam-water separator Steange Phenomena Witnessed within Twenty Years stearic acid

科学参考收录了854744条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。