“孢粉煤样”的概念、定义、翻译、参考文献-科学参考

单词	孢粉煤样
释义	孢粉煤样 Encyclopedia 理学煤炭地质勘查释 sporopollen coal sample孢粉煤样煤层煤样、煤心煤样或在煤层露头处垂直深度1米以下采取的煤样。
随便看	nonnegative matrix non-negative matrix factorization nonnegative measure nonnegative number nonnegative operator nonnegative orthant nonnegative partial sum nonnegative quadratic form nonnegative semi-definite matrix nonnegative solution nonnegative splitting nonnegativity nonnegativity condition nonnegativity requirement non nesting matching non-nesting matching nonnesting matching non nesting partition non-nesting partition nonnesting partition non neutral plasma non-neutral plasma nonneutral plasma non-Newtonian behavior non-Newtonian flow

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