The data instance in Listing 7 is valid with this schema and its substitution group extensions.

清单7中的数据实例对这个模式及其替换群扩展是有效的。

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We highly recommend explicitly changing the value of these parameters to valid group names in order prevent unauthorized access.

我们强烈建议明确将这些参数值改为合法的组名，以便防止未授权的访问。

youdao

Using groups, you can literally group users together, and the groups are valid AIX groups.

可以把用户直接分组在一起，这些组是有效的aix组。

youdao

Researchers measured brain activity of 47 healthy adults -- a small but scientifically valid size group for this type of study -- while using a mobile device.

CNN: Cell phone exposure increases brain cell activity

"It's a false premise, " says retail expert Britt Beemer of America's Research Group on the notion of Wal-Mart's same-store sales as a valid economic measurement.

FORBES: Wizardry At Wal-Mart