您要查找的是不是：
- R0算子R0 operator
- 算子operator
- R0-算子Ro-operator
- R0-链R0-chain
- 阈值R0basic reproductive rate
- 卜算子Song Of Divination
- R0-代数R0-algebra
- R0代数R0 algebra
- δ算子δ-operator
- 弱R0代数Weak R0 -- algebras
- "或非" 算子NOR operator
- 子R0代数R0-subalgebra
- 谱算子spectral operator
- 再生数R0Reproductive number
- 流形上的偏微分算子partial differential operator on manifold
- 基础R0代数basic R0 algebra
- Ｍ－生长算子M-accretive operator
- 模糊pre-R0fuzzy pre- R0
- 伴算子adjoint operator
- 完全R0代数Complete R0-algebras
