Over the past month, speculation has swirled in Russian and British papers that the Arctic Sea was carrying a secret consignment of S-300 anti-aircraft interceptors, destined for Tehran.
Purchases of some items continued - S-300 air defense systems and billions of dollars worth of jet engines.
購買一些武器的交易仍在繼續，有S-300防空系統和價值幾十億美元的飛機發動機。
俄羅斯與德黑蘭有S-300供貨合同，不過至今還沒有交過貨。
在裝置“S-300”上，通過測量真空磁絕緣傳輸線中電極間電子流軔致輻*和負載上的電流、電壓等參數，研究了磁絕緣傳輸線中的電流損失特*。
最近幾星期來，伊朗官員猛烈指責俄羅斯拖延在布什爾的核設施建設，以及遲遲不提供S-300防空導*。
Russia's aerospace defense troops currently use S-300 and S-400 systems.
防務專家發現，像S-300這種大型、複雜的防空系統根本無法裝入陳舊輪船的貨艙。
Chinese indigenous system analogous with the Russian S-300 series, the HQ-9 has had a long gestation but is now being deployed in some Numbers.
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