communications protocol design and specification
...口设计与规格(interface design and specification) 沟通协议设计与规格(communications protocol design and specification) 仿真与建模（simulation and modeling) 侦错与验证及验收测试(verification and validation/ acceptance testing) 误差...
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communications protocol design and specification
通信协议设计与规范
以上为机器翻译结果，长、整句建议使用 人工翻译 。