Instead, each J-11 produced by Shenyang has its rader shipped to Russia for upgrade by NIIP before being reinstalled by Chinese technicians.
实际上，沈阳产的J - 11都要装船到俄罗斯再由NIIP为其升级。而后再由中国技师来进行重新设置。
It has long been thought that PL-12 capability was a cornerstone of China's J-11 upgrade plans.
长期以来广泛都认为PL - 12兼容发射能力将是中国J - 11改进打算的基本。
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