1961年，它被选为华约国家主要的教练机。

In 1961 it was chosen as the main training aircraft for the participating countries of the Warsaw Pact.

华约的结束打破了欧洲的均势。

The end of the warsaw treaty upset the balance of power in europe.

在决胜点使用战术预备队以阻挡巨量的华约攻击并且实施纵深防御。

Use tactical reserves at critical points to blunt the massed PACT attacks and defend in depth.

备受喜爱的歌手玛尔塔•库碧索娃（MartaKubisova）便是众多支持者之一。1968年，以苏联为首的华约成员国入侵当时的捷克斯洛伐克后，她被迫去做粗活维持生计。

Among its supporters is Marta Kubisova, a much-loved singer who was forced into menial work after the Soviet-led invasion of 1968.