{
  "name": "简明英汉字典增强版常用子集 (ECDICT) + CMUdict 音标转写",
  "language": "en",
  "provider": "ecdict",
  "format": "lexgo-zh-dict-v1",
  "version": "ecdict-1.0.28+cmudict-0.7b",
  "sources": [
    {
      "name": "ECDICT StarDict",
      "role": "chinese-gloss",
      "source": "https://github.com/skywind3000/ECDICT/releases/download/1.0.28/ecdict-stardict-28.zip",
      "mirrors": [],
      "sha256": "c707d0f3ded6ec79b96466da4a1574e074703da5af9c120fbad97f9cb08c6f2c",
      "bytes": 70415834,
      "license": "ECDICT-LICENSE.txt",
      "licenseUrl": "https://github.com/skywind3000/ECDICT/blob/master/LICENSE",
      "note": "仓库为 MIT；词典数据由公开资料整理，随项目再分发前需自行评估来源。子集按下方 subset 规则裁剪，不导入全量 340 万条。"
    },
    {
      "name": "CMUdict",
      "role": "ipa-phonetic",
      "source": "https://raw.githubusercontent.com/cmusphinx/cmudict/master/cmudict.dict",
      "mirrors": [
        "https://cdn.jsdelivr.net/gh/cmusphinx/cmudict@master/cmudict.dict"
      ],
      "sha256": "81917843c7f44ce2b094ac63873c2c7a4cf802040792c455ba3ca406891c3d22",
      "bytes": 3618488,
      "license": "CMUDICT-LICENSE.txt",
      "licenseUrl": "https://github.com/cmusphinx/cmudict/blob/master/LICENSE",
      "note": "BSD-2。ARPAbet 音素按固定映射表转写为 IPA；仅用于需要音标的词条。"
    },
    {
      "name": "Princeton WordNet",
      "role": "subset-wordlist",
      "source": "https://raw.githubusercontent.com/nltk/nltk_data/96f9b3252457a2b97e52aec64c3dfceeb5c312d5/packages/corpora/wordnet.zip",
      "mirrors": [
        "https://cdn.jsdelivr.net/gh/nltk/nltk_data@96f9b3252457a2b97e52aec64c3dfceeb5c312d5/packages/corpora/wordnet.zip"
      ],
      "sha256": "cbda5ea6eef7f36a97a43d4a75f85e07fccbb4f23657d27b4ccbc93e2646ab59",
      "license": "WORDNET-LICENSE.txt",
      "note": "与 server/wordnet-resource.json 同一 pin，仅用于取 lemma 词表决定子集范围，不复制其释义。"
    }
  ],
  "subset": {
    "rule": "lowcase single alphabetic headword, unique, present in the WordNet lemma list or carrying an ECDICT exam tag (研/四/六/托/专/雅/高/中/初)",
    "expectedEntries": 82721,
    "toleranceEntries": 2000,
    "measuredAt": "2026-09-16",
    "measured": {
      "entries": 82721,
      "withCmudictIpa": 35799,
      "withEcdictPhoneticOnly": 30580,
      "withoutPhonetic": 16342,
      "droppedEmpty": 45,
      "rawPayloadMiB": 8.1
    }
  },
  "phoneticRules": "prefer CMUdict ARPAbet->IPA mapping; otherwise keep the ECDICT notation with character-level normalisation only and mark the source; no phonetic rather than a guess",
  "runtime": "Go only; the prepared ZIP is explicitly imported and persisted in MySQL; no runtime download and no Python process",
  "preparedArtifact": {
    "bytes": 3003208,
    "sha256": "a4f4ab972c6e233e39909a861015c99ad7943e8db24353afc9cc9d8160dded24",
    "note": "由 scripts/dict_prepare.py 在本机生成，不入库；每次重建都会打印自己的 sha256"
  }
}