这个标志说明这些产品符合指定的标准。

This mark signifies that the products conform to an approved standard.

《牛津词典》

作为全国公认的成就标准，通过 AP 课程对学生和学校来讲都是成功的标志。

As a nationally recognized standard of achievement, passing an AP course is a mark of success for both students and schools.

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对他们中的许多人而言这仅仅是回归历史标准的标志。

For many of them it merely marks a return to historical norms.

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