# OCME · 知識與練習查找

302 MKO / 1,441 families / 360 batches / 36,000 questions.

36,000 second-context math/bilingual reviewed; 0 display/symbol-checked candidates. Source questions: candidate. English: ai_candidate. No new proof, Lean, SREG or training.

1 results; page 1/1.

## 第 30137 題：有向位移與平方L2長度

- ID: `q-20261008-advance-20261012-r06-euclidean-length-0012`; number: 30137
- Processing: second_context_reviewed
- MKO: [mko-euclidean-length](/zh-Hant/mko/mko-euclidean-length/)
- Family: [qf-density12-length-displacement-square](/zh-Hant/explore/?family=qf-density12-length-displacement-square)
- Batch: [batch-20261008-advance-20261012-r06-euclidean-length-foundations](/zh-Hant/explore/?batch=batch-20261008-advance-20261012-r06-euclidean-length-foundations)
- [Derivation](/zh-Hant/questions/q-20261008-advance-20261012-r06-euclidean-length-0012/) / [Markdown](/zh-Hant/questions/q-20261008-advance-20261012-r06-euclidean-length-0012/index.md) / [JSON](/data/question-derivations/questions/q-20261008-advance-20261012-r06-euclidean-length-0012.json)