The United Nations cultural organization UNESCO named it a World Heritage Site in 1998 - a designation for places of special physical or cultural value.

VOA: standard.2010.08.05

There's this notion of a Boolean value named after Mr. Bool, which is just a notion of true or false.

布尔值的概念是在布尔先生之后命名的，它是一个正确或错误的概念。

哈佛公开课 - 计算机科学课程节选

There's this notion of a Boolean value named after Mr. Bool, which is just a notion of true or false.

布尔值的概念是在布尔先生之后命名的，它是一个正确或错误的概念。

哈佛公开课 - 计算机科学课程节选