The central part of the disk has the consistency of thick tooth paste; it is much softer than the outer part.
椎间盘的中央部分由牙膏样的浓稠物质构成，要比外层柔软的多。
The system consists of a tooth-and-slots board, detection submodules distributed along the track and a central processor.
研制一套由车载齿槽板、沿轨道分布的检测子块及一台上位处理器组成的轨道车辆地面式定位测速系统。
Impacted tooth frequently appears in upper cuspid and upper central incisors(except of the third molar) .
较常见的是尖牙和上颌切牙的埋伏阻生（第三磨牙除外）。
应用推荐