C double 关键字
定义和用法
The double 关键字是一种存储小数的数据类型。
它通常为 64 位（8 字节）长，可以存储正数和负数，其值介于 1.7e−308 和 1.7e+308 之间。
相关页面
在我们的 C 数据类型教程 中了解更多关于数据类型的信息。
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