nonrandomness       
noun [ U ] (also non-randomness) uk/ˌnɒnˈræn.dəm.nəs/ us/ˌnɑːnˈræn.dəm.nəs/
 非任意性;非随机性
the quality of happening according to a plan or system, rather than by chance
  Most living systems display non-randomness. 大多数生物系统都显示出非随机性。 
 Researchers have tended to ignore the issue of non-randomness in educational achievement.
  - More examples
 - Two different mechanisms may determine the nonrandomness that we observe.
 - They were mistaken to think that the non-randomness in the system was intentional.
 - Cows are known to select the more palatable grasses for grazing, which might introduce an element of non-randomness into the data.
 - This simple principle can be used to generate non-randomness.