Phase-matched filter is applied to extract phase of fundamental surface wave, and then time-variable filter is used to correct amplitude spectrum in order to isolate fundamental mode signs.

使用相匹配滤波技术提取基阶面波振型的相位，然后再利用时变滤波进行振幅谱校正，以此分离出基阶振型面波信号。

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From these studies, scientists have concluded that the surface of the primitive Earth was covered with oceans containing the molecules fundamental to life.

从这些研究中，科学家们得出结论，海洋覆盖着原始地球的表面，其中含有构成生命的基本分子。

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The IComponent interface is the fundamental contract between the design-time environment and an element to be hosted on a design surface (such as the Visual Studio forms designer).

IComponent 接口是设计时环境和要在设计图面（例如，Visual Studio 窗体设计器）上承载的元素之间的基本协定。

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They are also confused because what seems on the surface to be fundamental change is often merely a reshuffling of the cards.

CNN: Misreading Japan

His insect research on the surface looks like quite a leap from previous projects in fundamental science.

FORBES: Using A Light Barrier To Repel Mosquitoes