Africa Black Civilization 非洲黑人文明
Jinan is the important cradle of Chinese civilization, Longshan culture, which is symbolized by black pottery, displays the old civilization of Jinan to the world.
这里,曾是中华文明重要的发祥地,以黑陶为标志的龙山文化,将济南古老的文明告诉了世界;
Nigeria is a modern civilization country with a long history in Africa, it is the most populous, richest country of Black Africa.
尼日利亚是非洲一个历史悠久的现代文明国家,是黑非洲人口最多、最富有的国家。
Even if a planet and then a civilization were to form inside these black holes, it would be almost impossible to discover them because all information is lost going into or coming out of a black hole.
即便在这些黑洞中能存在行星甚至文明,那要发现他们也基本不可能。因为所有的信息都在进入黑洞或从黑洞中出来时丢失了。
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