absence of wear造句

• Its weak points, when compared with commercial racing games, is the absence of wear / damage physics or a career mode.
• Occlusal splints are usually employed as a treatment for bruxism, but they can also be of diagnostic use, e . g . to observe the presence or absence of wear on the splint after a certain period of wearing it at night.
• However, there are also differences : there is no entoconid, and an absence of wear seems to suggest that the upper molars ( as yet unknown ) did not have a protocone, and so implying that there was a double origin of tribosphenic teeth, one group represented by the living placentals and marsupials, and the other group being the monotremes bearing'pseudo-tribosphenic'teeth.