Distributed systems have always presented complex challenges, and technology trends are in many ways making the software designer's job more difficult. In particular, today's systems must successfully handle.

中文翻译：

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数据共享和分布式分类帐技术的新方法：一个临床试验用例

分布式系统始终面临着复杂的挑战，技术趋势在许多方面使软件设计师的工作更加困难。特别是当今的系统必须成功处理。