求翻译：随着中非友好关系的深入发展，为重点支持非洲国家部分高等院校的系科建设，援非教师的数量逐年增多，涉及学科领域也不断扩大，截至2008年，中国共向35个非洲国家派遣了500多名专业教师，教授课程涉及理、工、农、文、体育等十几个学科专业。是什么意思？

With in-depth development of Sino-African friendly relations, in order to focus on supporting the construction of African countries, some institutions of higher education faculties, aid for Africa, the number of teachers has increased every year, involving disciplines have also expanded, as of 2008,

Sino-African friendship and relations with the in-depth development, supports African countries to focus on some of the higher education institutions, and aid the construction of non-teachers of the quantity involved increasing year by year, and are also continuously expanding interdisciplinary area

Along with the Central Africa friendly relations thorough development, supports the African country part institutions of higher learning for the key point the department branch construction, helps the non-teacher's quantity to increase year by year, involves the discipline domain also unceasingly to

With the in-depth development of friendly relations of Central Africa, focusing on support for African countries in parts department construction in colleges and universities, helping non-increasing the number of teachers, covering subject areas have been constantly expanding, as of 2008, China's to

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