Near the end of Devonian times, thirty percent of all animal life vanished.在泥盆纪末期，30％的动物物种都灭绝了。The contact relationship between Silurian and Devonian is parallel unconformity.泥盆系与志留系之间为平行不整合接触.Blooming of Bacteria and Al...
Draft plan to drew each square height attention recently.拟订方案近日引来各方高度关注.The Draft Plan provides for an increase of some 11 per the total value of industrial output.草案规定工业总产值约增长百分之十一.The draft plan was not able to keep tr...
Media companies are merging to create ever larger information and entertainment conglomerates.传媒公司都在不断结合,以形成更大型的资讯娱乐企业集团.At the surface, radioactivity of the conglomerates is locally as high as 30 X background.在地表, 砾岩的局部...