Double key secure means the user must authenticate two systems — the application server (at the hosting service provider) and the financial institution.
双重密钥安全表示用户必须通过两个系统的认证-应用程序服务器(位于主管服务供应商)和金融机构。
It is concluded that financial systems engineering is important and meaningful both in theory and application.
分析表明，金融系统工程的思路和研究方法具有着重要的理论与现实意义。
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