China has accused the US of flying high-altitude balloons into its airspace more than 10 times last year, and of conducting hundreds of reconnaissance missions, as the aerial surveillance dispute between the two nations takes their ties to a new low.
中國指責美國去年十多次放高空氣球進入中國領空，并開展了幾百次偵察任務。兩國之間的空中偵察爭端導致雙方關系跌至新的低點。
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