1.Results A two-year follow-up revealed there occurred butment caries,luxated butment,and overlain residual root gingivitis,even on the rise,while the alveolar ridge showed no uneven absorption.
结果基牙根龋、基牙松动、覆盖残根牙龈炎的发生随时间呈递增趋势,而牙槽嵴则无不均匀吸收。
2.The characteristics of pulsed electron beam generated by multiplate pseudospark chamber (MPC) on the basis of field escalation effects have been described in this paper.
摘要基于电场递增效应理论,讨论了多极板赝火脉冲电子束的特征。
3.Considerable attention has been given to imperfections of information and of competition, to transaction costs, indivisibilities, and increasing returns, and to some of the relations among these.