“gyrogonite”的概念、定义、翻译、参考文献-科学参考

单词	gyrogonite
释义	gyrogonite Geology and Earth Sciences Fossil cast of the female reproductive structure (nucule) of charophytes (stoneworts, see charophyceae). Charophyte nucules are small (around 400–600 μ‎m), nut-like objects that have a fossil record commencing in the Silurian. The various characteristic spiral ornamentations of gyrogonites make them useful index fossils in some freshwater deposits. See also pseudosycidium.
随便看	conditional autoregressive model conditional branch conditional choice conditional cost of living index conditional distribution conditional equation conditional excluded middle conditional expectation conditional independence conditional instability conditionality conditional jump conditional logic conditionally convergent conditional negation conditional non-contradiction conditional obligation conditional probability conditional proof, rule of conditional response condition-code register conditioner conditioning condition, necessary and sufficient condition, necessary/sufficient

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