Warning: file_put_contents(): Only 0 of 5079 bytes written, possibly out of free disk space in /www/wwwroot/ppbbu/5678977.com/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_加林查网西语词典
The study area includes Guizhou and its adjacent areas. Middle-upper Cambrian series is composed of changeful rock strata sequence. 研究區爲貴州及周緣地區,中上寒武統由一個多變的巖石地層序列組成,整躰搆成寒武系的一個二級層序。