In the 1980's, however, Bakker's contention began to be questioned, as a number of scientists found growth rings in the bones of various dinosaurs that are much like those in modern reptiles.
Despite a steadily growing student population and an increasing number of teacher resignations, however, Newtown does not face a shortage in the late 1990's.
尽管学生人数稳步增长，教师辞职人数不断增加，但在20世纪90年代末，纽敦并不面临短缺的现象。
3
Due to IPv4's limited number of useable global addresses, IPv6 is expected to gradually replace IPv4.