{"id":50114,"topic":"ai","source":"美国之音","title":"美台国防科技企业展示无人艇自主协同作战 助台湾打造“不对称战力” - 美国之音","url":"https://www.voachinese.com/a/us-taiwan-defense-companies-demonstrate-ai-integrated-multi-asset-autonomous-usv-operation-in-southern-taiwan-20260730/8180931.html","url_hash":"d29a0f081ae05bd34c3e9df7bc365844b1ac96a1","author":"","summary":"<a href=\"https://news.google.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?oc=5\" target=\"_blank\">美台国防科技企业展示无人艇自主协同作战 助台湾打造“不对称战力”</a>&nbsp;&nbsp;<font color=\"#6f6f6f\">美国之音</font>","content":null,"image_url":null,"lang":"zh","published_at":"2026-07-30T22:45:58+00:00","fetched_at":"2026-07-30T23:15:06+00:00","status":"read","starred":0,"extract_state":"failed","summary_auto":null,"cluster_id":null,"extract_retries":2,"extract_error":"trafilatura_none","contract_version":"news_item.v1","format_contract_version":"news_item_formats.v1","dedup_url":"https://www.voachinese.com/a/us-taiwan-defense-companies-demonstrate-ai-integrated-multi-asset-autonomous-usv-operation-in-southern-taiwan-20260730/8180931.html","quality_profile":{"profile_version":"extraction_quality.v2","bucket":"low","confidence":0.2,"failure_kind":"extractor_empty","retryable":false,"retry_after_attempts":0,"reason":"Low confidence: extractor returned no usable article text.","operator_guidance":{"severity":"warning","recommended_action":"use_summary_with_caveat","next_step":"Use the available summary only with a visible quality caveat.","operator_label":"Use summary with caveat","can_retry":false,"can_use_summary":true,"diagnostics_required":true},"content_depth":{"contract_version":"content_depth.v1","category":"summary_only","label":"Summary only","has_full_text":false,"has_summary":true,"content_length":0,"summary_length":810,"usable_text_length":810,"source_field":"summary"},"legacy_collapsed":false,"signals":{"extract_state":"failed","extract_error":"trafilatura_none","extract_retries":2,"content_length":0,"summary_length":810}},"news_item":{"id":50114,"canonical_url":"https://www.voachinese.com/a/us-taiwan-defense-companies-demonstrate-ai-integrated-multi-asset-autonomous-usv-operation-in-southern-taiwan-20260730/8180931.html","source_url":"https://www.voachinese.com/a/us-taiwan-defense-companies-demonstrate-ai-integrated-multi-asset-autonomous-usv-operation-in-southern-taiwan-20260730/8180931.html","title":"美台国防科技企业展示无人艇自主协同作战 助台湾打造“不对称战力” - 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