A processing concept in practice was described and analyzed as an example, which demonstrated that the technology was of high quality and production rate.

实践证明，该项加工技术不仅加工质量好，且大大提高了生产效率，降低了生产成本。

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These results are in good agreement with other recent studies, which demonstrated that the iodine chemistry in the Marine atmosphere is only poorly understood.

这些结果与近来其他研究很一致，显示对海洋大气中的碘化学了解很少。

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Another experiment demonstrated that physical exercise, which was sufficiently vigorous to double the rate of breathing, had no effect on the frequency of yawning.

另一项实验表明，体育运动——尤其是剧烈的运动——可以使呼吸频率增加一倍，但这对打哈欠的频率没有影响。

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The organisation's secretary general, Francesco Frangialli, said in a statement that it was important that world tourism ministers demonstrated through their presence at the meetings that their sector was a resilient one which had demonstrated many times in the past its ability to overcome problems and resolve crises.

BBC: World tourism faces uncertain future

The prince took part in an interactive workshop, which demonstrated the effects that brain injuries can have on performing everyday tasks.

BBC: Prince Harry opens Headway headquarters in Nottingham

Roman advocates for programs such as Section 8 assistance, which she said have demonstrated the role that affordable housing plays in stabilizing struggling families, many of which are headed by women.

FORBES: New York City is Making Women and Children Homeless