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.THE INFLUENCE OF DENTAL FACTORS TO ERUPTION OF THE MANDIBULAR THIRD MOLAR.牙...
Method: 40 curved mesial - buccal canals in mandibular molars were selected and divided into two groups randomly.方法: 选取40个下颌磨牙近中颊侧弯曲根管,随机分为两组,每组20个根管.Methods Cap splints wereto the occlusional and were used to fix the ma...
为了使连续12小时的飞行不致单调乏味, 航空公司在机舱里给旅客放一部故事影片.To relieve the unbroken twelve hours of flying, the airline provides a feature in the cabin.时延使连续遥操作闭环反馈控制系统变得不稳定.The close - loop feedback system of continuous teleoperation become...