音頻加註文字，高市早苗「台灣有事論」為何引起北京強烈反彈 ?陳宥樺教授向BBC分析，冷戰結束後很長一段時間，日本防衛重心主要集中在北海道，反映當時來自莫斯科的威脅。但大約2010年前後，在野田佳彥首相任內，日本開始將戰略重心由北海道轉向西南地區。「這一區域從九州南部延伸至奄美大島、宮古、石垣與與那國，長期以來是日本領土防衛最薄弱環節，兵力最少，卻在面對中國威脅的最前線。」
These times might sometimes differ substantially - it is because for some test cases, there is a need to fetch existing data from DB in order to construct test queries. Duration of these additional queries is subtracted from the total test duration: Queries duration = Total test duration - Additional queries duration. Otherwise they would skew results, adding time where it should not be counted.
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GPT-5.4：一次围绕“执行能力”的模型升级2026 年 3 月初，硅谷再次进入密集的 AI 发布周期。
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