Developed in the early 1970's, Ethernet has proven to be one of the most simple, reliable, and long-lived networking protocols ever designed.

70年代早期开发的以太网被证明是迄今所设计的最为简单、可靠和使用最久的网络协议之一。

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Objective: to investigate the involvement of gene in the process of lung cancer metastasis, hence providing evidences and data for designing the early diagnosis and therapy protocols.

目的：了解肺癌转移过程中基因的参与，进而为肺癌诊断、治疗提供依据。

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Objective: to investigate the involvement of gene in the process of lung cancer metastasis, hence providing evidences and data for designing the early diagnosis and therapy protocols.

目的：了解肺癌转移过程中基因的参与，进而为肺癌诊断、治疗提供依据。

youdao