Adopt the engineering plastics, the surface is smooth, esthetic and magnificent.主体采用阻燃工程塑料, 表面光滑 、 美观气派.Objective : To explore the relation of gingivoplasty and esthetic dentistry.目的: 探讨牙龈成形外科与美容牙科的关系.Different models of...
激光射入聚碳酸脂表面将产生较大的折射角.Laser light incident the polycarbonate surface will be refracted at a greater angle into the surface.当折射棱镜折射角很小时, 称之为光楔.It is called the optical wedge , when the refraction angle of the refracting pri...
Kennedy exhorted his listeners to turn away from violence...肯尼迪劝诫听众远离暴力。He exhorted his elder.他规劝长辈.He exhorted his companions, "Try to accomplish your aim with diligence".他劝诫同伴说:“要通过勤奋努力实现自己的目标。”He exhorted his companio...
Two villages in Wales have banished analogue television and replaced it with digital TV last month.上个月,威尔士的两个村庄已经淘汰了模拟电视,转而使用数字电视.John was banished from England...约翰被逐出了英格兰。The vagabonds were banished from the train stat...