Study cards containing questions, definitions, options and answers with subject labels, for bidirectional Q&A and card retrieval tasks.
Negotiated pricing · Preview first, then confirm version and scope
Start with the data unit, selection criteria and available samples to assess project fit.
Card fronts/backs and options support term retrieval, definition matching and bidirectional Q&A. Ten text projections are public. The dictionary retains native id, type, url, Q&A and options structure; projection columns differ from original fields.
Select by type/subject; Retain Q&A card sides; Filter by media language
10 preview records · 0 image excerpts · dictionary and README. Confirm the full delivery version before ordering.
Use limited excerpts to inspect content and structure. The README identifies provenance, field projections and preview limits.
| id | type | word | definition |
|---|---|---|---|
| 1856134788 | math | integer | set of whole numbers and their opposite |
| 1856134789 | math | absolute value | The distance a number is from zero on a number line |
| 1856134790 | math | zero pairs | positive + negative numbers - they cross each other out |
10 preview records · 0 image excerpts · dictionary and README
ZIP · 3.2 KB · Includes Chinese and English README
Verified and requested fields are identified in the kit; exact structure depends on the confirmed delivery version.
| Field / content | Type | Description |
|---|---|---|
| id | integer | 原始卡片记录 ID。 |
| type | string | 原始学科或卡片类型。 |
| url | string | 原始学习卡片链接。 |
| Q&A | array<object> | 原始卡片面数组; 样本表格将媒体文本展开为 word、definition 和 language。 |
| options | array<object> | 原始选项、干扰项与学习方式配置; 预览仅展示数量。 |
5 fields shown; all 5 references are in schema-reference.json. Refer to the README for native fields versus preview projections.
Evaluate task relevance and confirm samples and usage rights before delivery.
Build bidirectional term/definition indexes and check front-to-back mappings.
Stratify cards by subject to assess Q&A and knowledge-recall relevance.
Inspect native option/distractor nesting to avoid losing information during flattening.
Pricing is negotiated around your confirmed delivery scope.
Download the kit and check content, fields and limitations.
Share your topic, version, time range, use and format requirements.
Review samples, quality, delivery contents and negotiated price.
Clarify preview scope, scale and permissions before delivery.
10 preview records · 0 image excerpts · dictionary and README. The public kit is for preview evaluation. Full data requires a confirmed version and delivery list.
Catalog scale comes from registered sources or official specifications. Public kits contain limited excerpts or references. Verify actual deliverable scale for your selected scope.
Confirm the selected version’s license, provenance and permitted uses. Catalog listing and preview access do not grant training, commercial-use or redistribution rights to the full data.
Check the actual samples before selecting a batch. These are suggested acceptance criteria, not quality guarantees for the full corpus.
Ask for verifiable examples or counting rules for your selected version and use.
Ask for verifiable examples or counting rules for your selected version and use.
Ask for verifiable examples or counting rules for your selected version and use.
Start with samples and fields, then share your topic, format and intended use. Confirm available versions, delivery contents and negotiated pricing with sales.
Contact sales · Negotiated pricing