"characteristic length" meaning in All languages combined

{
  "categories": [
    {
      "kind": "other",
      "name": "兩岸化學名詞",
      "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]特征长度\n* [T:化學]特性長度\n* 正體: 特性長度[通訊工程]\n* 正體: 特性長度[電子計算機]"
      ],
      "id": "zh-characteristic_length-zh-unknown-d9i8QgJx"
    }
  ],
  "word": "characteristic length"
}

{
  "categories": [
    "兩岸化學名詞",
    "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]特征长度\n* [T:化學]特性長度\n* 正體: 特性長度[通訊工程]\n* 正體: 特性長度[電子計算機]"
      ]
    }
  ],
  "word": "characteristic length"
}