legacy systems是什么意思 legacy systems怎么读
legacy systems的用法和样例
- Ripplebase implements primitive journaling mechanisms to speed queries on slow systems, and is targetted at legacy systems.
它实现了基本的日记机制来提高查询速度，它适用于遗留系统。 - Legacy system reengineering has already been a very important branch of software engineering.
遗留系统再工程已经成为软件工程领域一个重要分支。
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