subset [ˈsʌbˌsɛt]

例句:

• Most languages only use a subset of those capabilities.
  来自SA
• Lately a new subset of this boom has emerged.
  来自SA
• Each subset is determined by some occurrence of these three events.
  每一个子集,由这三种事件出现的情况而决定.
  
• A subset S of a ring A is a subring of A.
  环A的子集S叫作A的子环.
  
• This would enable the production of subset catalogues by subject.
  这将使按主题编制子集合目录成为可能.
  
• MRI is a sort of subset of NMR technology.
  来自SA