“biogenic chert”的概念、定义、翻译、参考文献-科学参考

单词	biogenic chert
释义	biogenic chert [¦bī·ō¦jen·ik `chǝrt] ^PETROLOGY Chert derived from the tests of pelagic silica- secreting organisms, particularly diatoms and radiolarians.
随便看	N/C NC n-cell N center n-channel n-channel metal-oxide semiconductor N-chlorosuccinimide n-component n-connected graph N curve Nd NDGA n-dimensional space N display NDRO Ne neallotype NEA material Neanderthal man neap high water neap low water neap range neap rise neaps neap tidal currents

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