The simpler JF-17 has moved even faster.

简单的如JF - 17项目则进展得更快。

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The Chengdu JF-17, which China developed with Pakistan, is in service with the Pakistani air force, and several countries are assessing it.

中巴联合研制的成都JF - 17在巴基斯坦空军服役，同时有一些国家正评估该机。

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China is generating particular interest among developing countries, especially with the relatively cheap JF-17 fighter with a Russian engine.

WSJ: China Clones, Sells Russian Fighter Jets

Six Pakistani Air Force JF-17 fighter jets that were jointly designed by the two countries escorted his plane when it entered the country's airspace yesterday.

BBC: China media: North Korea diplomacy