Warning: file_put_contents(/www/wwwroot/ppbbu/4cd.cn/cache/d5c645103862ce43f9ef861f01f05e38.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbu/4cd.cn/index.php on line 55 middle-upper cambrian series是什么意思，middle-upper cambrian series的翻译，middle-upper cambrian series音标、读音、用法和例句_沉淀汉英词典
The study area includes Guizhou and its adjacent areas. Middle-upper Cambrian series is composed of changeful rock strata sequence. 研究区为贵州及周缘地区,中上寒武统由一个多变的岩石地层序列组成,整体构成寒武系的一个二级层序。