lěngzhàn / shí / měisū / liǎngguó / yīkào / héjūnshì / wéichí / zhe / cuìruò / de / hépíng冷战时,美苏两国依靠核均势维持着脆弱的和平。During the Cold War, the US and the Soviet Union maintained a fragile peace through nuclear parity.