Russia agreed to supply Iran with S-300 systems several years ago but has not delivered them.

几年前，俄罗斯就已同意提供S - 300系统给伊朗，但是一直都没进行交付。

youdao

Purchases of some items continued - S-300 air defense systems and billions of dollars worth of jet engines.

购买一些武器的交易仍在继续，有S-300防空系统和价值几十亿美元的飞机发动机。

youdao

N addition, the S-300 missiles also feature high jamming immunity and are capable of engaging up to 100 targets simultaneously.

同时，S - 300具备高度抗干扰的能力，还具备同时锁定100个目标的能力。

youdao

Federal Reserve officials announced a plan to purchase up to $300 billion in long-term U.S.government bonds to bolster the nation's economy.

VOA: standard.2009.03.18

Russia also reportedly has sold six S-300 air defense systems to Syria under a 2010 contract.

CNN: SHARE THIS

It has cancelled the sale of S-300 ground-to-air missiles.

ECONOMIST: Russia and America

Russia is also selling the S-300 to Syria.

CENTERFORSECURITYPOLICY: Arsenal of roguery