cf

• Study on the tribological properties of cf - gr . - ptfe composites
  碳纤维及石墨填充聚四氟乙烯复合材料的摩擦学性能研究
• Effects of losses and nonideal behavior on cf are considered later
  下面我们再讨论各种损失及非理想特性对cf的影响。
• 8 cf . catechism of the catholic church , no . 2359 ; cf
  7天主教教理2358见注1 ;参看教廷信理部，同性恋者的牧民服务10