“Treaty of Friendship and Cooperation between Angola and the Soviet Union”的概念、定义、翻译、参考文献-科学参考

单词	Treaty of Friendship and Cooperation between Angola and the Soviet Union
释义	Treaty of Friendship and Cooperation between Angola and the Soviet Union Encyclopedia 历史学安哥拉历史释 Treaty of Friendship and Cooperation between Angola and the Soviet Union《安哥拉-苏联友好合作条约》 1976年安哥拉与苏联签订的条约。
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