🌐 [translation-sync] [autodiff] Open with a sentence that suits both series

[mmcky]

Automated Translation Sync

This PR contains automated translations from QuantEcon/lecture-python-programming.

Source PR

#644 - [autodiff] Open with a sentence that suits both series

Files Updated

• ✏️ lectures/autodiff.md
• ✏️ .translate/state/autodiff.md.yml

Details

• Source Language: en
• Target Language: zh-cn
• Model: claude-sonnet-5

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This PR was created automatically by the translation action.

[github-actions]

✅ Translation Quality Review

Verdict: PASS | Model: claude-sonnet-5 | Date: 2026-10-12
Routing: auto-merge — no gating findings; floors met
Shadow gate: would auto-merge (recorded only; no action taken)

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📝 Translation Quality

Criterion	Score
Accuracy	10/10
Fluency	9/10
Terminology	10/10
Formatting	10/10
Overall	9.8/10

Summary: Overview 部分的翻译准确、流畅，术语使用与术语表一致，格式保持完整，未发现语法错误。仅存在一处轻微的措辞可优化空间，不影响整体质量。 Overview 部分翻译准确传达了原文含义，专业术语（自动微分、JIT 编译、并行化等）使用恰当 标点符号正确使用全角中文标点，符合中文排版规范 YAML frontmatter 中的 translation 元数据格式正确，符合翻译同步系统要求

Suggestions:

• [nit · fluency] lectures/autodiff.md — ## 概述: “本讲座使用 Google JAX 对自动微分进行介绍。”语序略显生硬，原文“This lecture gives an introduction to automatic differentiation using Google JAX.”更自然的表达可调整为更符合中文习惯的句式。 → 本讲座将使用 Google JAX 介绍自动微分。

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🔍 Diff Quality

Check	Status
Scope Correct	✅
Position Correct	✅
Structure Preserved	✅
Heading-map Correct	✅
Overall	10/10

Summary: The translation sync correctly updated only the Overview paragraph in lectures/autodiff.md, matching the source change in position and content without affecting headings or structure.

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This review was generated automatically by action-translation review mode.

[Copilot]

🟢 Approval recommended

The single-sentence translation accurately mirrors the verified upstream source change, including removal of the jax_intro reference, and the state metadata is consistent.

0 open findings

What changed in this PR

This is an automated translation sync PR that propagates a single-sentence change from the upstream English lecture (QuantEcon/lecture-python-programming#644) into the Simplified Chinese (zh-cn) edition. The source PR reworded the opening sentence of the autodiff lecture so the same text can be shared across both the programming and JAX lecture series, removing a jax_intro cross-reference that the JAX series cannot resolve. The Chinese translation faithfully mirrors this: it drops the {doc} link and the "more thorough" wording in favor of a simpler introduction sentence.

Changes:

• Simplified the overview opening sentence in lectures/autodiff.md, removing the jax_intro cross-reference.
• Updated translation state metadata (source SHA, sync date, tool version) in .translate/state/autodiff.md.yml.

File	Description
lectures/​autodiff.md	Rewords the overview opening sentence to match the upstream English change and removes the now-unwanted jax_intro link.
.translate/​state/​autodiff.md.yml	Bumps source SHA, sync date, and tool version to record the new sync state.

🧠 Review effort: Balanced

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