“ostracoderms”的概念、定义、翻译、参考文献-科学参考

单词	ostracoderms
释义	ostracoderms Encyclopedia 理学无颌类释 ostracoderms甲胄鱼类一类处于七鳃鳗类和有颌类之间的化石无颌类，为并系类群。与具现生种的盲鳗类、七鳃鳗类在形态上完全不同，头部与身体披有甲胄或鳞片，故被称为“甲胄鱼类”。
随便看	single-loop diagram approximation single loop regulator single loop servo system single-loop-type galvanometer single-machine problem single machine scheduling single main diagram single metallocene single mineral preparation single minute exchange of die single missile launcher single mode single mode fiber single-mode fiber single mode laser single-mode line width single mode optical fiber single-mode optical fiber single-mode optical fiber, SMF single mode squeeze operator single-mode squeeze operator single mode transmission condition single molecular device single-molecular magnet single-molecular measurement

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