On the command line, the regular expression ACTS as an adjective — a description or qualifier.
在命令行中,正则表达式的作用相当于形容词——一种描述或限定词。
The High Level Qualifier is added as a prefix to the data set name.
High Level Qualifier 作为前缀添加到数据集名中。
For defining such run as users, we shall use the security identity qualifier.
为了定义这类身份用户,我们可以使用安全身份限定符。
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