Permo-Carboniferous'pə:mə,-kɑ:bə'nifərəsBNC¹⁴⁴⁶⁶⁴⁺³ 基本例句 石炭二迭过渡期¹⁰⁰ After the Permo-Carboniferous source rocks formed, they have gone through complicated tectonic- burial history in Wuqing depression, and multiple hydrocarbon-generation evolution have taken place. 武清凹陷石炭—二叠系烃源岩自形成以来经历了复杂的构造-埋藏历史,并发生过多次生烃演化过程。 cnki