At the caudal end of the sacrum the roof of the vertebral canal is commonly deficient.在骶管末端,椎管往往缺损.D Localization of Clustered Microcalcifications Using Caudal and Medio - Lateral Oblique Views.使用头脚照与斜侧照做微钙化群三维定位之方法.The ...
这家公司是计算机技术的开拓者。The company is a pathfinder in computer technology.苹果是早期殖民地开拓者来的时候带过来的。The apple was brought over here by the colonists when they came.他们 -- 挑战者号全体机组人员是开拓者.They, the members of the Challenger crew, were pi...