Furthermore,machining method of prime number teeth gear beyond 100 is expatiated.
并阐述了大于100的质数齿齿轮的加工方法。
Analysis on elements in teeth dentin layers of sperm whale Physeter macrocephalus;
巨型抹香鲸齿质层元素分析
Denture quality parameters were border extension of denture base,arrangement and occlusion of artificial teeth,denture stability,retention of denture and i.
目的研究患者对全口义齿满意度与义齿质量间是否存在联系。