South African President Jacob Zuma is set to meet embattled Libyan leader Moammar Gadhafi on Monday, his second visit to Tripoli since unrest started roiling the North African country.这个段落中的 is set to是什么意思,我查了下,是预定于,但是,有不敢确定,请问,他参见了扎卡非了没有啊, 还是有周五打算参加的意思,到底如何理解啊,谢谢,这个词语好难,我不理解,去高手帮助一些啊
能不能在这个句子中结合例子解释一下啊