Horizontal reuse across applications is much more rare, especially in medium - to large-scale organizations.
在应用程序之间的水平重用更少，尤其在大中型组织当中。
Large scale, systematic reuse is even harder in an organization.
大规模、系统级的重用更是如此。
The technology of reuse has matured from copying and pasting source code, to fine-grained reuse at the class level, to coarse-grained large-scale reuse at the framework and architectural levels.
从复制和粘贴源代码到类层次上的细粒度(fine - grained)复用，再到框架和体系结构层次上的粗粒度(coarse - grained)大规模复用，复用技术已经逐渐成熟。
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