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> **Languages:** [简体中文](README_ZH.md) · [English](README.md)
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# dojo_sector_symbol_relations — 股票板块映射
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## 概述
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将个股映射到 **L1/L2/L3 板块路径**，支持主归属（`primary`）与次归属（`secondary`）。每行对应一个 `(ticker, market)`。
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## 文件
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| 文件 | 说明 |
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|------|------|
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| `data.parquet` | 全量股票 ↔ 板块关系 |
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## 关键字段
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| 字段 | 说明 |
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|------|------|
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| `ticker` | 股票代码 |
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| `market` | `us` / `cn` / `hk` |
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| `primary` | JSON，主归属板块路径 |
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| `secondary` | JSON 数组，次归属路径（可为空） |
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| `symbol` | 内部关联键 |
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### primary / secondary 路径格式
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```json
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{
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"level_1": {"zh": "工业", "en": "Industrials"},
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"level_2": {"zh": "交通运输与物流", "en": "Transportation and Logistics"},
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"level_3": {"zh": "海运与港口", "en": "Maritime and Ports"}
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}
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```
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L3 中英文标签与 [dojo_sector_info](https://huggingface.co/datasets/AlphaDojo/dojo_sector_info) 中的节点 ID 对应。
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## 数据规模（参考）
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约 **2.15 万** 行（展开 primary + secondary 后 assignment 更多）。
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## 归属规则
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- `primary`：主板块归属。
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- `secondary`：交叉归属；下游预计算按 L3 去重。
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## 关联数据集
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- [dojo_sector_info](https://huggingface.co/datasets/AlphaDojo/dojo_sector_info) — taxonomy 定义
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- [dojo_stock_info](https://huggingface.co/datasets/AlphaDojo/dojo_stock_info) — 股票档案
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- [dojo_sector_precomputed](https://huggingface.co/datasets/AlphaDojo/dojo_sector_precomputed) — 衍生的板块指数
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