The securities exchange has very strong time limit, accuracy and security, so it is very important for the trading system to have the stability, reliability.

由于证券交易具有非常强的时效性、准确性和安全性的要求，所以交易系统的稳定性、可靠性和迅速响应能力至关重要。

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Middleware for commodity trading system should satisfy the attributes of real-time, reliability, security, and efficient transmission of data, etc.

交易系统中间件应满足实时性、可靠性、安全性和数据传输的高效性等性能需求。

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It also analyzes security problems in building payment system, and discusses how to ensure trading parties' privacy security during the payment process.

本文还对支付系统建设过程中的安全问题进行了分析，研究了在支付过程中如何保证交易各方的安全。

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