为了探索高氟低蛋白对牙齿发育的影响 ，阐明牙齿过度磨损的机理 ，应用扫描电镜对第一、二切齿脱钙前的矿化及脱钙后的基质结构作了观察。
To explore the effect of high fluoride and low protein on tooth development and clarify the mechanism of excessive tooth wear, and decalcification of incisors were researched by SEM.
在对“极地海洋”号的主要柴油发动机的检查中发现，该船有33个汽缸组件被过度磨损。
Inspections of the Polar Sea's main diesel engines revealed excessive wear in 33 cylinder assemblies.
那些由于灼伤或是过度使用双手而导致指纹磨损的人常常感觉表皮光滑的指尖要抓紧任何东西几乎不太可能。
People whose fingerprints have worn off because of burns or overuse often find that the smooth calluses that develop on the fingertips make it nearly impossible to maintain a grip on anything.
应用推荐