"standard model" meaning in English

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  "lang_code": "en",
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  "word": "standard model"
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      "expansion": "standard model",
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  "lang": "English",
  "lang_code": "en",
  "pos": "name",
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          "word": "Standard Model"
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      "glosses": [
        "Alternative letter-case form of Standard Model"
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  "word": "standard model"
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