在过去，当分布式网络、软件工程和嵌入式系统的性能不成熟时，传统的产品开发集中在主要通过硬件来交付服务。

In the past, when distributed networking, software engineering, and embedded systems capabilities were immature, traditional product development focused on delivering services primarily via hardware.

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此外，嵌入式系统开发又包括硬件和软件，词典必须兼顾两者。

Moreover, since embedded systems development spans both hardware and software, a dictionary must address both disciplines.

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在嵌入式系统虚拟开发环境中为软件与硬件分别设计了ESDL语言和EHDL语言。

The ESDL language and the EHDL language are defined for hardware and software in the virtual design environment for an embedded system.

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