求翻译：　　　2000年，喀麦隆高教部长让—玛丽访华时，亲自向4位曾在喀麦隆工作的中国教师颁发“总统骑士”勋章，以表彰他们为喀麦隆教育事业做出的杰出贡献。是什么意思？

Issued by the President of the Cleveland Medal in 2000, Cameroon's Higher Education Minister - Mary's visit to China in person to four in Cameroon teachers to recognize the outstanding contribution they have made the cause of education in Cameroon.

In 2000, the Cameroon High Education minister Mary's visit to China in person at the 4-bit has been working in Cameroon for Chinese teachers awarded the knight's president" medal, in recognition of their education in Cameroon made an outstanding contribution.

When in 2000, Cameroon higher education minister let - the Mary visit to China, personally once the Chinese teachers who worked in Cameroon issues “president to 4 the knight” the medal, commended them the brilliant contribution which made for the Cameroon education.

In 2000, when Cameroon Jean-Marie, Minister of higher education visited China personally to Chinese teacher in Cameroon 4-bit issue "President Knight" Medal, in recognition of their outstanding contribution to the cause of education in Cameroon.

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