To test the theory, the scientists recreated what ancient tool makers might have done by heating a pile of silcrete stone in a fire pit.

为了检验这个理论，科学家们通过在一个火坑里加热砾岩石，重现了远古工匠们可能的做法。

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The horizontal dynamic behavior of pile foundation is becoming more and more attractive in geotechnical engineering. But the theory concerned with this is still in research stage.

桩基的水平动力特性已受到工程界越来越普遍的重视，但关于水平动力受荷桩的理论和性状至今仍处于研究阶段。

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Now theory about the qualitative analysis of pile test has come to maturity, however, little progress has been made on the quantitative analysis due to many factors.

目前定性评价基桩缺陷的理论已很成熟，而定量分析由于受到影响因素很多，进展缓慢。

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When the stockmarket fell (as it did), so the theory goes, the portfolio investors would pile in, see Hong Kong shares climb again, and register a tidy capital gain before their year-end performance review.

ECONOMIST: South-East Asia��s currencies are not safe yet