pervasiveness       
noun [ U ] uk/pəˈveɪ.sɪv.nəs/ us/pɚˈveɪ.sɪv.nəs/
 普遍;弥漫
the fact of being present and noticeable in every part of a thing or place
  A series of studies demonstrated the pervasiveness of mass violence. 一系列研究证明了大规模暴力的普遍性。 
 Lawyers said that the pervasiveness of the Internet made it difficult to insulate jurors from reports on a case. 律师们表示,互联网的普及使得陪审员很难不受案件报道的影响。 
 See: pervasive
 - More examples
 - The report clearly demonstrates the pervasiveness of the problem.
 - It is almost impossible to overstate the pervasiveness of Tavener's music.
 - She was astonished at the pervasiveness of the culture of heavy drinking among the pilots.