Objective : To study the stress tooth preparation with two kinds of porcelains.〔摘要〕目的: 研究瓷贴面复合体应力分布规律.Objective To study the distribution of the chromatic value of gingival porcelains.目的了解临床常用牙龈瓷的颜色参数.All the porcelains ...
The ant is the most industrious animal; however, it is the most taciturn one.没有任何动物比蚂蚁更勤奋，然而它却最沉默寡言。TWO NEW SPECIES OF THE ANT GENUS Prenolepis FROM YUNNAN CHINA ( Hymenoptera: Formicidae )云南平结蚁属二新种 ( 膜翅目: 蚁科 )None preac...
There is medical evidence to show that he is suicidal and clinically depressed.医学证据表明他有自杀倾向而且临床诊断为抑郁.When we are tired, tense, depressed or unwell, we feel pain much more...当我们劳累、紧张、沮丧或生病时，疼痛感更明显。He gets cheerful and dep...