94生活常识网有道词典

PPD

94生活常识网有道词典

基本解释

  • abbr.已付的(=postpaid)
  • abbr.预付的(=prepaid)
  • abbr.程序设计指示(=Program Planning Directives)

同根派生

     

英汉例句

  • The positive tuberculin rate of PPD test had a trend of ...
    结论高校应进一步加强PPD试验的监测力度,提高PPD的监测质量。
  • The effects of crude oil properties, the structure of PPD and...
    讨论了原油的性质、降凝剂的结构及试验条件对降凝效果的影响。
  • Data of PPD test for freshmen in 2001-2004 were analyzed.
    结果河北省部分高校大学生接种人口数量明显增多;
  • Major supplier of special cement, cement licking PPD.
    主要供应特种水泥，水泥舔加剂。
  • The positive rate of PPD test was no significant difference among each year.
    各年度结核菌素阳性率差异无显著性 ;