“agnathans”的概念、定义、翻译、参考文献-科学参考

单词	agnathans
释义	agnathans Encyclopedia 理学无颌类释 agnathans无颌类没有颌的鱼类，在分类上属于脊索动物门（Chordata）脊椎动物亚门（Vertebrata）无颌超纲（Agnatha），与之对应的则是脊椎动物亚门的另一大类群——有颌类，即有颌超纲（Gnathostomata）。
随便看	separation and purification of drug separation and purification of radionuclide in environmental samples separation and purification system separation anxiety separation anxiety disorder separation apparatus of strongly magnetic minerals separation apparatus of weakly magnetic minerals separation axiom separation basis separation between revenues and expenditures separation cochain separation cocycle separation condition separation-connection device separation (distillation, extraction and absorption) process control systems separation edge separation energy separation equilibrium separation equipment using in oilfield separation/extraction equipment separation factor separation flow separation fracture separation layer separation logic

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