You also read about the lessons learned from our experience developing each SA.

您还将了解从我们开发每个SA的经验中获得的经验教训。

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Sa: : What possessed you to give them our address?

山：你为什么把我们的地址给他们？ ？

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I quickly increased our speed, calculating the time it would take for the weapons-most likely SA-2 and SA-4 surface-to-air missiles capable of Mach 5 - to reach our altitude.

我立即加速并计算着导弹到达黑鸟飞行高度所需的时间 - 它们很可能是苏联制SA-2和SA-4地对空导弹，最大速度可达3马赫。

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