| 释义 |
DEFINITIVE EXAMPLES 权威例句〔Boolean algebra〕An algebraic system with two binary operations and an identity element that is used in symbolic logic and in logic circuits in computer science.布尔代数：一种用同一元素和二进位演算的代数学体系，用于符号逻辑和计算机科学中的逻辑电路美国传统〔semigroup〕A set for which there is a binary operation that is closed and associative.半群：结合二元运算下闭合和结合的数学集合美国传统 |