遗留系统还可能以特定基础设施组件和操作环境上运行的过时软件或编写质量较差的软件应用程序的形式存在。
Legacy systems can also exist as either outdated or poorly written software applications that run on specific infrastructure components and operational environments.
显而易见地，这三种解决办法全都存在局限性，因此传统缓冲区内存管理方法并不是适合编写大规模交互软件代码的机制。
Clearly, all three solutions present limitations and the conventional buffer memory management approach is not a good mechanism for coding large-scale interacting software.
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