1·Authors attended the academic symposium of Fragblast′ 6, Joh annesburg, the Republic of South Africa, 8~12 August 1999.
作者参加了1999年8月在南非召开的“第六届国际爆破破岩学术会议”。
2·She took part in many study visits to different countries like the People's Republic of China, Spain, the UK, the Republic of South Africa.
并多次参加国际访问学习活动，所到国家包括中国，西班牙，英国，南非共和国。
3·He will also pay official visits to the Republic of the Congo, Angola, South Africa, Tanzania and Uganda upon invitation.
他还将应邀对刚果(布)、安哥拉、南非、坦桑尼亚和乌干达进行正式访问。
4·Next she traveled to South Africa. Her trip also includes stops in Angola, the Democratic Republic of Congo, Nigeria, Liberia and Cape Verde.
接下来她将出访南非。她的出访停靠点也包括了安哥拉，刚果，尼日利亚，利比里亚和佛得角。
5·23rd Apr 1997 Switzerland Australia, Bangladesh, Chile, Egypt, Japan, Madagascar, Mauritania, Mexico, Netherlands, Republic of Korea, Romania, South Africa, Switzerland, United States of America.
月4年1997瑞士澳大利亚，孟加拉国，智利，埃及，日本，马达加斯加，毛里塔尼亚，墨西哥，荷兰，大韩民国，罗马尼亚，南非，瑞士，美利坚合众国。
6·On May 29, 2006, Assistant Foreign Minister He Yafei met with the joint press delegation from African countries including South Africa, Ghana, the Republic of Congo and Tanzania.
2006年5月29日，何亚非部长助理会见南非、加纳、刚果（布）、坦桑尼亚等非洲国家联合新闻团。