He said the scientists intend to test earlier pottery from the region for chemical proof.

他说，科学家打算检测来自该地区较早的陶器作为化学证据。

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The researchers said their test car was just a ‘proof of concept’ and that there is ‘still a long way to go before we can take control of machines with our brains’.

研究人员说，他们的测试车只是一个“概念验证”，利用大脑控制机器仍还有很长的路要走。 至于它何时能成功实现该项目，并提供给广大公众，尚未有具体时间表。

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The EJB proxy approach described in this article is best used when you need a lightweight, low-cost solution for sandbox, test, or proof-of-concept situations.

本文中所述的EJB代理方法最适合用于需要轻量级低成本解决方案来满足沙箱、测试或概念验证需求的情况。

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Mitchell's mother Corinne said the test was further proof of his innocence, but Jodi Jones' family said they believed Mitchell had lied all along.

BBC: Luke Mitchell's lie detector YouTube video prompts review

The state requires passing a written test, first aid training and proof of having made at least five trips on the whitewater river someone wants to guide.

WSJ: NY judge says rafter broke guide licensing laws

Australia's crushing of South Africa in the home-and-away series last season is proof for many as to which Test nation is really the leader.

BBC: Test cricket's glittering prize