21. Also notes with satisfaction that the second African Leadership Conference on Space Science and Technology for Sustainable Development, the first of which was hosted by the Government of Nigeria in collaboration with the Governments of Algeria and South Africa in 2005, was hosted by the Government of South Africa from 2 to 5 October 2007 in Pretoria, and that the Conference will be held on a biennial basis;
21. 又满意地注意到南非政府于2007年10月2日至5日在比勒陀利亚主办了第二次非洲领导人空间科学和技术促进可持续发展会议，尼日利亚政府与阿尔及利亚政府和南非政府协作在2005年主办了首次会议，该会议将每两年举行一次；