This wave pattern occurs often in nature, including ocean waves, sound waves, and light waves.

这种波形往往出现在自然界中，包括海浪、声波和光波。

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These equations lay a foundation for research of various wave pattern solutions and bring a convenience for further theoretical analysis.

它为研究激励介质中各种波形解奠定了基础，也给进一步进行理论分析带来了方便。

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Conclusion Ultrasound has a high value in evaluation of direction and wave pattern of portal vein flow, and has higher accuracy in detection of portal vein patency than ct.

结论超声可以对门静脉的血流方向和流速曲线作出准确评估，对门静脉的通畅性诊断价值优于CT。

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Prechter cites a lack of demonstrable pessimism, valuations that remain high by historical standards and an incomplete wave pattern down from market highs.

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My current paradigm is that a five-wave pattern has just been completed, and so there is a chance for a correction of this latest move.

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Typically, if we are able to spot a five wave pattern in this move to the 38.2% level, then there is a fairly good chance that this resistance will hold.

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