“Heterostraci”的概念、定义、翻译、参考文献-科学参考

单词	Heterostraci
释义	Heterostraci [´hed·ǝ`räs·trǝ´sī] ^PALEONTOLOGY An extinct group of ostracoderms, or armored, jawless vertebrates; armor consisted of bone lacking cavities for bone cells.
随便看	Pelobatidae pelodite Pelodytidae pelogloea Pelogonidae Pelomedusidae Pelonemataceae Pelopidae United States Survey foot unitegmic unit element uniterm uniterm system unit fraction unit heater unit impulse unitized body unitized cargo unitized film unitized load unitized tooling unit length unit load unit loading unit magnetic pole

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