类numeric _ limits是标准命名空间的一部分；它检查基本类型在给定操作系统平台上的属性。

Class numeric_limits is part of the standard namespace; it checks for properties of fundamental types on a given operating system platform.

youdao

XML Schema（请参阅 参考资料）将 dateTime 定义成一种基本类型，按照 ISO 8601 标准格式化，比如“2004-12-01T00:00:00”。

The XML Schema (see Resources) defines dateTime as a primitive type, which should be formatted according to the ISO 8601 standard, for example "2004-12-01T00:00:00".

youdao