Infected mandibular, parotid and anterior cervical nodes usually cause subcutaneous induration and surface bulging.感染的下颌, 耳下和颈前淋巴结,通常引起皮下硬结和表面突起.Conclusion Early alcohol wet packing can effectively decrease the occurrenc...
As part of a global programme , 89 ozone - depleting substances are under legislative control.此外, 又对89种消耗臭氧层的物质实施法例管制,以配合全球的行动.A class I substance is any chemical with an ozone - depleting potential of 0.2 or greater.I类别...
Felsic gneiss is the most widely distributed rock type in Archean metamorphic complex areas.长英质片麻岩是太古宙变质杂岩区最主要的岩石类型.Both the eclogite and the felsic gneiss have not undergone the same high - pressure metamorphic event.榴辉...
从1066年到17世纪，狐狸一直被视为害兽。From 1066 to the 17th century the fox was looked upon as vermin.它们的祖先是被培养来捕猎害兽.Their ancestors were bred to hunt and kill vermin.对农民来说,野兔是一种害兽,因为它吃幼嫩的作物.To a farmer a rabbit is vermin because it eat...