"closed system" meaning in All languages combined

{
  "categories": [
    {
      "kind": "other",
      "name": "兩岸化學名詞",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "大氣科學專有名詞",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "英语名词",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "通訊專有名詞",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "通訊工程專有名詞",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "電子計算機專有名詞",
      "parents": [],
      "source": "w"
    }
  ],
  "lang": "中文",
  "lang_code": "zh",
  "pos": "unknown",
  "senses": [
    {
      "glosses": [
        "* [S:化学]封闭系统\n* [T:化學]封閉系統\n* [简体]:闭合系统[通信]\n* [正體]:封閉性系統[通訊]\n* 正體: 封閉性系統[通訊工程]\n* 简体: 闭合系统[大气]\n* 正體: 封閉系統[氣象]\n* 正體: 封閉系統[電子計算機]"
      ],
      "id": "zh-closed_system-zh-unknown-gyzb2szP"
    }
  ],
  "word": "closed system"
}

{
  "categories": [
    "兩岸化學名詞",
    "大氣科學專有名詞",
    "英语名词",
    "通訊專有名詞",
    "通訊工程專有名詞",
    "電子計算機專有名詞"
  ],
  "lang": "中文",
  "lang_code": "zh",
  "pos": "unknown",
  "senses": [
    {
      "glosses": [
        "* [S:化学]封闭系统\n* [T:化學]封閉系統\n* [简体]:闭合系统[通信]\n* [正體]:封閉性系統[通訊]\n* 正體: 封閉性系統[通訊工程]\n* 简体: 闭合系统[大气]\n* 正體: 封閉系統[氣象]\n* 正體: 封閉系統[電子計算機]"
      ]
    }
  ],
  "word": "closed system"
}