常见例句Keywords natural tektite;enhancement;style designing;style processin; 天然玻陨石;优化处理;款式设计;款式加工;INITIAL STRATA OCCURRENCE OF THE SOUTH CHINA TEKTITE IN STRATA AND ITS IMPLICATION FOR EVENT-STRATIGRAPHY 华南玻璃陨石的原生层位及其事件地层学意义 返回 tektite