circ ['sɜ:k]

例句:

• The fundamental circuits relative to a spanning tree is a basis of the circ subspace.
  与一生成树相关的基本圈是广义圈子空间的一个基底.
  
• The ring sum of two circs is a circ.
  两个广义圈的环和是一个广义圈.
  
• The fundamental circ matrix is one example of a reduced circ matrix.
  基本圈矩阵是简化广义圈矩阵的一个例子.