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核心神經網路引擎驅動，執行先進機器學習演算法，處理來自加速度計、陀螺儀與光學心率感測器的資料（偵測食指與拇指互點兩下時手腕的微小動作與微血管血流變化）。",[26,27,28,29,30],{"id":49,"baselineProductId":12,"type":21,"category":50,"headline":51,"summary":52,"significance":36,"sourceRefs":53},"apple-watch-series-9-software-functionality","display","*軟體功能*","於 watchOS 10.1 推出，作為全系統的主要導覽模式，讓使用者無需觸控螢幕，即可單手控制 App 中的主要按鈕操作（接聽／掛斷電話、使用相機遙控器拍照、播放／暫停音樂、停止計時器、讓鬧鐘稍後提醒、開啟／捲動智慧型堆疊）。",[26,27,28,29,30],{"id":55,"baselineProductId":12,"type":21,"category":44,"headline":56,"summary":57,"significance":36,"sourceRefs":58},"apple-watch-series-9-distinction-from-assistivetouch","*與「輔助觸控」的區別*","不同於傳統的「輔助觸控」輔助使用功能（採用較粗略的握拳／捏指手勢，並伴隨視覺光圈且影響電池續航力），「互點兩下」是一項低延遲、不額外耗電的無感原生互動模式，必須仰賴 S9 神經網路引擎支援。",[26,27,28,29,30],{"id":60,"baselineProductId":12,"type":21,"category":61,"headline":62,"summary":62,"significance":36,"sourceRefs":63},"apple-watch-series-9-on-device-siri-processing-and-private-health-logging","software","裝置端 Siri 處理與隱私健康資料記錄",[26,27,28,29,30],{"id":65,"baselineProductId":12,"type":21,"category":22,"headline":66,"summary":67,"significance":36,"sourceRefs":68},"apple-watch-series-9-hardware-acceleration","*硬體加速*","聽寫與語音轉文字處理直接在 S9 神經網路引擎本機端執行，使聽寫精準度相較於 Series 8 提升高達 25%。",[26,27,28,29,30],{"id":70,"baselineProductId":12,"type":21,"category":61,"headline":51,"summary":71,"significance":36,"sourceRefs":72},"apple-watch-series-9-software-functionality-2","Siri 可在裝置端以近乎即時的反應處理無需外部網路連線的指令（如開始體能訓練、設定鬧鐘、查看本機計時器）；並支援以私密方式查詢健康資料並直接記錄至「健康」App（例如詢問「我昨晚睡得怎麼樣？」或記錄服藥狀況）。",[26,27,28,29,30],{"id":74,"baselineProductId":12,"type":21,"category":33,"headline":75,"summary":75,"significance":36,"sourceRefs":76},"apple-watch-series-9-second-generation-ultra-wideband-uwb-chip","第二代超寬頻（UWB）晶片",[26,27,28,29,30],{"id":78,"baselineProductId":12,"type":21,"category":33,"headline":34,"summary":79,"significance":36,"sourceRefs":80},"apple-watch-series-9-hardware-implementation-2","次世代 UWB 無線收發器，取代原有的 U1 晶片。",[26,27,28,29,30],{"id":82,"baselineProductId":12,"type":21,"category":83,"headline":51,"summary":84,"significance":36,"sourceRefs":85},"apple-watch-series-9-software-functionality-3","design","可對配對的 iPhone 15 系列裝置啟用「精確尋找」（提供方向指引、距離測量以及觸覺與聲音回饋）；靠近 HomePod 4 公尺範圍內時會自動觸發「播放中」媒體控制項目。",[26,27,28,29,30],{"id":87,"baselineProductId":12,"type":21,"category":50,"headline":88,"summary":88,"significance":36,"sourceRefs":89},"apple-watch-series-9-2-000-nits-peak-display-brightness-and-1-nit-minimum","2,000 尼特顯示器峰值亮度與 1 尼特最低亮度",[26,27,28,29,30],{"id":91,"baselineProductId":12,"type":21,"category":50,"headline":34,"summary":92,"significance":36,"sourceRefs":93},"apple-watch-series-9-hardware-implementation-3","升級的顯示器驅動架構將室外最大亮度倍增至 2,000 尼特（追平初代 Apple Watch Ultra），同時新增在昏暗房間或電影院中調暗至 1 尼特的能力，以維持夜間暗適應並避免干擾他人。",[26,27,28,29,30],{"id":95,"baselineProductId":12,"type":21,"category":96,"headline":97,"summary":98,"significance":36,"sourceRefs":99},"apple-watch-series-9-internal-storage-doubled-to-64gb","storage","內部儲存空間倍增至 64GB","快閃儲存空間由 Series 8 的 32GB 增加至所有規格標配 64GB。",[26,27,28,29,30],{"id":101,"baselineProductId":12,"type":21,"category":102,"headline":103,"summary":104,"significance":36,"sourceRefs":105},"apple-watch-series-9-first-certified-carbon-neutral-product-configurations","ports","首批獲得認證的碳中和產品款式","指定鋁金屬錶殼搭配運動型錶環款式符合 Apple 的碳中和標準（製造過程使用 100% 乾淨電力、按重量計含 30% 以上回收或再生材質、非航空運輸比例達 50% 以上，並搭配經認證的碳抵銷）。",[26,27,28,29,30],{"id":107,"baselineProductId":12,"type":108,"category":50,"headline":109,"summary":110,"significance":36,"sourceRefs":111},"apple-watch-series-9-peak-display-brightness","changed","顯示器峰值亮度","由 1,000 尼特（Series 8）倍增至 2,000 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全面停止在產品線中提供皮革錶帶與配件，改採精工織紋與再生紗線材質替代。",[26,27,28,29,30],{"id":134,"baselineProductId":12,"type":135,"category":50,"headline":136,"summary":137,"significance":36,"sourceRefs":138},"apple-watch-series-9-41mm-and-45mm-case-sizes","retained","41 公釐與 45 公釐錶殼尺寸","維持 Series 7 確立的錶殼外觀輪廓、弧度與 1.7 公釐顯示器邊框。",[26,27,28,29,30],{"id":140,"baselineProductId":12,"type":135,"category":141,"headline":142,"summary":143,"significance":36,"sourceRefs":144},"apple-watch-series-9-dual-sensor-wrist-temperature-system","sensors","雙感測器手腕溫度量測系統","保留雙感測器溫度陣列，用於夜間取樣與回溯推估排卵期。",[26,27,28,29,30],{"id":146,"baselineProductId":12,"type":135,"category":141,"headline":147,"summary":148,"significance":36,"sourceRefs":149},"apple-watch-series-9-crash-detection-sensor-array","車禍偵測感測器陣列","保留 256g 高 g 值加速度計、HDR 陀螺儀、氣壓計與麥克風組成的車禍偵測架構。",[26,27,28,29,30],{"id":151,"baselineProductId":12,"type":135,"category":44,"headline":152,"summary":153,"significance":36,"sourceRefs":154},"apple-watch-series-9-18-hour-standard-battery-life","18 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Fruit","https:\u002F\u002Foneinfinitefruit.com\u002Fdevice\u002Fapple-watch-s9\u002F","2026-09-14","secondary-structured-specs",{"name":186,"url":187,"retrievedAt":183,"note":188},"Apple Watch Series 9 - Tech Specs","https:\u002F\u002Fsupport.apple.com\u002Fen-us\u002F111833","first-party-verification",1789955601520]