"七声音阶" meaning in Chinois

{
  "categories": [
    {
      "kind": "other",
      "name": "Noms communs en chinois",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Chinois",
      "orig": "chinois",
      "parents": [],
      "source": "w"
    }
  ],
  "etymology_texts": [
    "Composé de 七 (qī, « sept »), de 聲／声 (shēng, « ton ») et de 音階／音阶 (yīnjiē, « gamme, échelle »)."
  ],
  "forms": [
    {
      "form": "七聲音階",
      "tags": [
        "Traditional-Chinese"
      ]
    }
  ],
  "lang": "Chinois",
  "lang_code": "zh",
  "pos": "noun",
  "pos_title": "Nom commun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Lexique en chinois de la musique",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "Gamme heptatonique, échelle heptatonique."
      ],
      "id": "fr-七声音阶-zh-noun-y7j4CaUn",
      "topics": [
        "music"
      ]
    }
  ],
  "sounds": [
    {
      "tags": [
        "Pinyin"
      ],
      "zh_pron": "qīshēng yīnjiē"
    },
    {
      "ipa": "\\t͡ɕʰi˥ ʂɤŋ˥ in˥ t͡ɕi̯ɛ˥\\"
    }
  ],
  "word": "七声音阶"
}

{
  "categories": [
    "Noms communs en chinois",
    "chinois"
  ],
  "etymology_texts": [
    "Composé de 七 (qī, « sept »), de 聲／声 (shēng, « ton ») et de 音階／音阶 (yīnjiē, « gamme, échelle »)."
  ],
  "forms": [
    {
      "form": "七聲音階",
      "tags": [
        "Traditional-Chinese"
      ]
    }
  ],
  "lang": "Chinois",
  "lang_code": "zh",
  "pos": "noun",
  "pos_title": "Nom commun",
  "senses": [
    {
      "categories": [
        "Lexique en chinois de la musique"
      ],
      "glosses": [
        "Gamme heptatonique, échelle heptatonique."
      ],
      "topics": [
        "music"
      ]
    }
  ],
  "sounds": [
    {
      "tags": [
        "Pinyin"
      ],
      "zh_pron": "qīshēng yīnjiē"
    },
    {
      "ipa": "\\t͡ɕʰi˥ ʂɤŋ˥ in˥ t͡ɕi̯ɛ˥\\"
    }
  ],
  "word": "七声音阶"
}