"trục số" meaning in Vietnamese

{
  "etymology_templates": [
    {
      "args": {
        "1": "vi",
        "2": "trục",
        "3": "số",
        "t1": "axis",
        "t2": "number"
      },
      "expansion": "trục (“axis”) + số (“number”)",
      "name": "af"
    }
  ],
  "etymology_text": "trục (“axis”) + số (“number”)",
  "head_templates": [
    {
      "args": {
        "1": "vi",
        "2": "noun",
        "3": "",
        "4": "",
        "head": "",
        "tr": ""
      },
      "expansion": "trục số",
      "name": "head"
    },
    {
      "args": {},
      "expansion": "trục số",
      "name": "vi-noun"
    }
  ],
  "lang": "Vietnamese",
  "lang_code": "vi",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Vietnamese entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Vietnamese nouns without classifiers",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "vi",
          "name": "Mathematics",
          "orig": "vi:Mathematics",
          "parents": [
            "Formal sciences",
            "Sciences",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "vi",
          "name": "Numbers",
          "orig": "vi:Numbers",
          "parents": [
            "All topics",
            "Terms by semantic function",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "a number line"
      ],
      "id": "en-trục_số-vi-noun-aKH8v7Wn",
      "links": [
        [
          "mathematics",
          "mathematics"
        ],
        [
          "number line",
          "number line"
        ]
      ],
      "raw_glosses": [
        "(mathematics) a number line"
      ],
      "related": [
        {
          "word": "tia số"
        }
      ],
      "topics": [
        "mathematics",
        "sciences"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[t͡ɕʊwk͡p̚˧˨ʔ so˧˦]",
      "tags": [
        "Hà-Nội"
      ]
    },
    {
      "ipa": "[ʈʊwk͡p̚˨˩ʔ ʂow˨˩˦]",
      "tags": [
        "Huế"
      ]
    },
    {
      "ipa": "[ʈʊwk͡p̚˨˩ʔ sow˨˩˦]",
      "tags": [
        "Huế"
      ]
    },
    {
      "ipa": "[ʈʊwk͡p̚˨˩˨ ʂow˦˥]",
      "note": "Saigon"
    },
    {
      "ipa": "[ʈʊwk͡p̚˨˩˨ sow˦˥]",
      "note": "Saigon"
    },
    {
      "audio": "LL-Q9199 (vie)-Penn Zero MSSJ-trục số.wav",
      "mp3_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/6/64/LL-Q9199_%28vie%29-Penn_Zero_MSSJ-tr%E1%BB%A5c_s%E1%BB%91.wav/LL-Q9199_%28vie%29-Penn_Zero_MSSJ-tr%E1%BB%A5c_s%E1%BB%91.wav.mp3",
      "ogg_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/6/64/LL-Q9199_%28vie%29-Penn_Zero_MSSJ-tr%E1%BB%A5c_s%E1%BB%91.wav/LL-Q9199_%28vie%29-Penn_Zero_MSSJ-tr%E1%BB%A5c_s%E1%BB%91.wav.ogg"
    }
  ],
  "word": "trục số"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "vi",
        "2": "trục",
        "3": "số",
        "t1": "axis",
        "t2": "number"
      },
      "expansion": "trục (“axis”) + số (“number”)",
      "name": "af"
    }
  ],
  "etymology_text": "trục (“axis”) + số (“number”)",
  "head_templates": [
    {
      "args": {
        "1": "vi",
        "2": "noun",
        "3": "",
        "4": "",
        "head": "",
        "tr": ""
      },
      "expansion": "trục số",
      "name": "head"
    },
    {
      "args": {},
      "expansion": "trục số",
      "name": "vi-noun"
    }
  ],
  "lang": "Vietnamese",
  "lang_code": "vi",
  "pos": "noun",
  "related": [
    {
      "word": "tia số"
    }
  ],
  "senses": [
    {
      "categories": [
        "Vietnamese compound terms",
        "Vietnamese entries with incorrect language header",
        "Vietnamese lemmas",
        "Vietnamese nouns",
        "Vietnamese nouns without classifiers",
        "Vietnamese terms with IPA pronunciation",
        "Vietnamese terms with audio links",
        "vi:Mathematics",
        "vi:Numbers"
      ],
      "glosses": [
        "a number line"
      ],
      "links": [
        [
          "mathematics",
          "mathematics"
        ],
        [
          "number line",
          "number line"
        ]
      ],
      "raw_glosses": [
        "(mathematics) a number line"
      ],
      "topics": [
        "mathematics",
        "sciences"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[t͡ɕʊwk͡p̚˧˨ʔ so˧˦]",
      "tags": [
        "Hà-Nội"
      ]
    },
    {
      "ipa": "[ʈʊwk͡p̚˨˩ʔ ʂow˨˩˦]",
      "tags": [
        "Huế"
      ]
    },
    {
      "ipa": "[ʈʊwk͡p̚˨˩ʔ sow˨˩˦]",
      "tags": [
        "Huế"
      ]
    },
    {
      "ipa": "[ʈʊwk͡p̚˨˩˨ ʂow˦˥]",
      "note": "Saigon"
    },
    {
      "ipa": "[ʈʊwk͡p̚˨˩˨ sow˦˥]",
      "note": "Saigon"
    },
    {
      "audio": "LL-Q9199 (vie)-Penn Zero MSSJ-trục số.wav",
      "mp3_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/6/64/LL-Q9199_%28vie%29-Penn_Zero_MSSJ-tr%E1%BB%A5c_s%E1%BB%91.wav/LL-Q9199_%28vie%29-Penn_Zero_MSSJ-tr%E1%BB%A5c_s%E1%BB%91.wav.mp3",
      "ogg_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/6/64/LL-Q9199_%28vie%29-Penn_Zero_MSSJ-tr%E1%BB%A5c_s%E1%BB%91.wav/LL-Q9199_%28vie%29-Penn_Zero_MSSJ-tr%E1%BB%A5c_s%E1%BB%91.wav.ogg"
    }
  ],
  "word": "trục số"
}