环的

• The structure of a class of rings with zero divisors
  一类具有零因子的环的结构
• Equivalent conditions and properties on ep - injective rings
  内射环的等价刻画及性质
• Notes on units and stable ranges of polynomial rings
  多项式环的单位和稳定度的注记
• We studied the trip matrixes of links here
  这里，我们研究了链环的trip矩阵。
• Railway rolling stock . brake discs with cast iron ring
  铁路车辆.带铸铁环的制动盘
• Study on the flux distribution testing in ring magnet
  磁环的磁场分布测试研究
• The generalization of results for coring on duality
  上环的若干性质在其对偶中的推广
• It ' s in the middle of central next to mcdonald ' s
  它就在中环的中间，在麦当劳隔壁。
• As rs ' s monitoring and control system based on ifix
  基于高性能锁相环的频率控制系统
• Railway rolling stock . brake discs with steel ring
  铁路车辆.带钢环的制动盘