NameValueData字段中的字符串包括含有零或更多属性的单一文件夹。
The string placed in NameValueData field consists of a single folder that contains zero or more properties.
文卡说道，“这些包含数百项属性的字符串就称为高维（high-dimensional）数据，而每一项属性就是一维。
These strings of hundreds of attributes are called high-dimensional data because each attribute is called one dimension.
这样将明文变成形式为一串数字密文。
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