Initially, this was wireless morse code telegraphy, the principal communication technology of his day.

最初，这是电报通讯，他那个时候的主要通信技术。

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The principal task of crosscultural communication is to recognize and bridge the chasm opened by differences inherent in crosscultural understanding and communication.

跨文化研究的主要任务是认清并逾越因差异而产生的交互文化理解与交流的鸿沟。

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It presents a collective introduction to the HART communication protocol, including feature, working principal, structure, etc, which we use in the transducer.

对本文变送器所采用的HART通讯协议，从其特点、工作原理、结构等方面进行了全面的介绍。

youdao

So M-Farm is a low-tech app, relying on text messaging as its principal means of communication.

BBC: How much will technology boom change Kenya?

The successful transmission is a significant achievement -- which Renaissance painter Leonardo da Vinci would have surely appreciated -- because it marks "the first time anyone has achieved one-way laser communication at planetary distances, " said principal investigator David Smith of the Massachusetts Institute of Technology.

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This was because of an agreement between the UK and the US that the islands, of which Diego Garcia was the principal atoll, should be available to the US government for defence and communication purposes.

BBC: Evicted islanders' legal challenge begins