求翻译：现年18周岁，于2005年9月至2008年6月在本校高中修业三年期满，成绩合格，准予毕业。未经教育主管部门验证无效。是什么意思？

Aged 18 years, in September 2005 to June 2008 Duration of school high school three-year period of satisfactory allowed to graduate. Without the education authorities to verify invalid.

Now, 18 years old, and in 2005, to September 6, 2008 the school in high school, 3 years pass expires, and graduated from grant. Education authorities without an invalid verification.

The present age 18 full years old, June, 2008 study at school in from September, 2005 to in this school high school three years expiration, the result are qualified, permit the graduation.After has not educated the department responsible for the work to confirm invalid.

, Who is 18 years of age, in September 2005 the school attendance in high school three years expire, pass, graduate. Not education authorities verified is invalid.

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