"base isolation" meaning in English

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        "A collection of a building’s structural elements resting on its foundation to provide partial separation of the building from shaking ground thus upgrading the building's seismic fitness. For video demonstration, click here: http://www.youtube.com/user/vshustov#p/f/11/ZqlXp3czrrM"
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          "building",
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          "foundation",
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          "separation",
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          "shaking ground",
          "earthquake"
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          "word": "免震"
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  "word": "base isolation"
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        "A collection of a building’s structural elements resting on its foundation to provide partial separation of the building from shaking ground thus upgrading the building's seismic fitness. For video demonstration, click here: http://www.youtube.com/user/vshustov#p/f/11/ZqlXp3czrrM"
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          "foundation",
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          "separation",
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          "shaking ground",
          "earthquake"
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          "upgrading",
          "upgrading"
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  "word": "base isolation"
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