Germany's Federal Office for Information Security (Bundesamt für Sicherheit in der Informationstechnik, or BSI) tested the devices. BSI first approved the iPhone and iPad for governmental use by German authorities in 2022. To take the additional step of NATO approval, Apple says BSI conducted exhaustive technical assessments, comprehensive testing and deep security analysis.
复旦大学经济学院教授孙立坚告诉南方周末记者，远期售汇是市场参与者为了规避未来现货市场汇率风险，向金融机构购买的一种金融服务，即锁定未来汇率水平。
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