“shanxi coal measures”的概念、定义、翻译、参考文献-科学参考

单词	shanxi coal measures
释义	shanxi coal measures Encyclopedia 理学二叠纪煤系释 shanxi coal measures山西煤系早—中二叠世时期山西组地层发育时期连续沉积形成的一套含有煤层并具有成因联系的沉积岩系。
随便看	off resonance off-resonance off-resonant heating off road engine off scene sound off season cultivation off set off-set offset offset angle offset angle, shift angle offset approximation offset coordinated time offset curves offset guiding offset guiding device offset guiding telescope offset in right ascension offset local time offset-locked laser frequency stabilization offset observation offset paper offset printing offset proofing offset rational curve

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