为何同用红星?越南国旗设计背后的中苏博弈,中苏博弈下的越南国旗设计,同用红星之谜
Why are both red stars used? The Sino-Soviet game behind the design of the Vietnamese flag, the design of the Vietnamese flag under the Sino-Soviet game, and the mystery of the common use of the Red star
以上为机器翻译结果，长、整句建议使用 人工翻译 。