据了解，"海宝"机器人可以采用中、日、韩、英、法、德等6种语言，进行热情问候和自我介绍。

The robots are capable of greeting and self-introducing in 6 languages: Chinese, Japanese, Korean, English, French and German.

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韩德解释说：“那也是为什么我和同事罗伯特？”

"That's why my colleague Robert Carlson and I have built what we call Europa-in-a-can, here in our lab," Hand explains.

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从韩礼德和哈桑(1976)对衔接所作的权威性研究至今，衔接研究是语篇研究领域研究中的重要研究课题。

Ever since Halliday and Hasan made an authoritative research on cohesion in 1976, it has been a crucial research topic in the field of discourse analysis.

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