标准元 meaning in English

canonical element

A standard metadata vocabulary for publishing
用于出版的标准元数据词汇表
Enables another object to modify the standard metadata that is exposed by a component
启用其他对象，以便修改由组件公开的标准元数据。
Cost basis is stated as rmb per 1000 chinese characters excluding spacing . urgent projects will include an additional charge
收费标准元人民币壹千中文字符不计空格。
The standard metadata facility provides an easy way to express additional information about program elements
标准元数据功能提供了表示关于程序元素的额外信息的方便方法。
The addition of a standard metadata facility to the java platform and support for it in various aop systems could very well remove the last obstacle to mainstream adoption of aop
在java平台上加上标准元数据功能，并在不同的aop系统上支持它，可以很好排除aop进入主流的最后障碍。