Gneiss, a metamorphic rock, can be commonly found in Precambrian areas.片麻岩, 变质岩, 可以发现,在常见的前寒武纪地区.Precambrian time for as much as eighty - five percent of all geological time.从前寒 武 世纪以来地球地面大部分被冰川所覆盖的任何地质年代.Late Precambria...
All our rooms have direct dialling telephones.我们所有的房间都有直拨电话。The dialling code for the Beijing area is 01.北京地区的电话区号是01.The dialling code for the London area is 01.伦敦地区的电话区号是01....
In the latter case, abscessation may be present inside the calvarium.在后一种情况下, 颅内可能有脓肿形成.CT or MRI can be use to demonstrate vascular anomaly with thinning of the calvarium.CT和MRI可以用来显示血管畸形和颅骨的变薄....