“pyrazine”的概念、定义、翻译、参考文献-科学参考

单词	pyrazine
释义	pyrazine Encyclopedia 理学吡嗪释 pyrazine吡嗪 1,4位含两个氮杂原子的六元杂环化合物，分子式C4H4N2。 Chemistry ＞有机化学＞有机化合物＞释义 pyrazine吡嗪＞有机化学＞有机化合物＞释义 pyrazine对二氮杂苯
随便看	principal system principal tangent principal tangent bundle principal telescope principal term principal theorem principal trace principal translation principal two-sided ideal principal type principal ultrafilter principal uniformization principal uniformizing function principal unknowns principal value principal value integral principal vanishing point principal variable principal vector principal vertex principal vertical circle principal vibration principal view principal Weil divisor Principate

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