LPn.密纹唱片(long-playing record)abbr.低压（=low pressure）LPLn.激光-抽运-激光(不漏光的放气窗；长脉冲激光)

1. In fact, DENTSPLY's research and development expenditures continue to be the highest of any other dental company in the world.
   实际上，登士柏公司用于研发工作的投资在众多的齿科器材制登商中持续位居首位。