另外还有地理因素：这些国家彼此都非常接近，从发射到目标，一个带核弹头的导弹的飞行时间只要几分钟。

There's also the geographic factor: These countries are very close to one another; a nuclear-armed missile's flight time, from launcher to target, is a few minutes.

youdao

另外还有地理因素：这些国家彼此都非常接近，从发射到目标，一个带核弹头的导弹的飞行时间只要几分钟。

There's also the geographic factor: These countries are very close to one another; a nuclear-armed missile's flight time, from launcher to target, is a few minutes.

youdao