Walsh said in the study, the real finger was' held "by a pipe designed to mimic the way the researcher held the plastic finger."

沃尔什在研究中说，真正的手指上套着一根管子，以模仿试验者拿着人造手指。

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The author introduces a pipe defect locating method by contact type ultrasonic detection — finger oil dipping touching method and analyses the theoretical basis of defect locating by this method.

介绍了钢管接触法超声波探伤缺陷定位方法——手指蘸油触摸法，分析了利用此种方法进行缺陷定位的理论依据。

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With historical comparative study, the article analyses its score formula, score character, finger model of Southern Pipa and pipe tune as four aspects to probe historical value of Wen Huan Tang Fing.

文章以历史比较研究的方法，从谱式、谱字、南琶指法、管门四方面进行分析，旨在探索《文焕堂指谱》的历史价值。

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Ch Supt Mark Hamilton said it was thanks to the "close observations" of a police officer that the pipe bomb had been discovered and that the "finger of suspicion" pointed towards dissident republicans.

BBC: West Belfast bomb alert