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Romeo 发表于 2011-6-1 10:10
最大的吸引当然是性能的提升,其他升级改动的都没有那么大的吸引力。另外3G版的IPAD2是没有三维陀螺仪的。
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iPad2 WiFi有的特性,3G版本都有,包含Three-axis gyro,中文官网参数有误,参见英文官网。
http://www.apple.com/ipad/specs/
- 7.31"
- Front camera
- 9.50"
- On/off
Sleep/wake - Back camera
- Silent/Screen
rotation lock - Volume
up/down - Home
- 0.34"
Models | | | Size and Weight1 | - Height: 9.50 inches (241.2 mm)
- Width: 7.31 inches (185.7 mm)
- Depth: 0.34 inch (8.8 mm)
- Weight: 1.33 pounds (601 g)
| - Height: 9.50 inches (241.2 mm)
- Width: 7.31 inches (185.7 mm)
- Depth: 0.34 inch (8.8 mm)
- Weight: 1.35 pounds (613 g)
(Wi-Fi + 3G model) - Weight: 1.34 pounds (607 g)
(Wi-Fi + 3G for Verizon model)
| Storage2 | 16GB
32GB
64GB
| 16GB
32GB
64GB
| Wireless and Cellular | - Wi-Fi (802.11a/b/g/n)
- Bluetooth 2.1 + EDR technology
| - Wi-Fi + 3G model: UMTS/HSDPA/HSUPA (850, 900, 1900, 2100 MHz); GSM/EDGE (850, 900, 1800, 1900 MHz)
- Wi-Fi + 3G for Verizon model: CDMA EV-DO Rev. A (800, 1900 MHz)
- Data only3
- Wi-Fi (802.11a/b/g/n)
- Bluetooth 2.1 + EDR technology
Learn more about Wi-Fi + 3G | Carriers | | | Display | - 9.7-inch (diagonal) LED-backlit glossy widescreen Multi-Touch display with IPS technology
- 1024-by-768-pixel resolution at 132 pixels per inch (ppi)
- Fingerprint-resistant oleophobic coating
- Support for display of multiple languages and characters simultaneously
| Chip | - 1GHz dual-core Apple A5 custom-designed, high-performance, low-power system-on-a-chip
| Cameras, Photos, and Video Recording | - Back camera: Video recording, HD (720p) up to 30 frames per second with audio; still camera with 5x digital zoom
- Front camera: Video recording, VGA up to 30 frames per second with audio; VGA-quality still camera
- Tap to control exposure for video or stills
- Photo and video geotagging over Wi-Fi
| Power and Battery4 | - Built-in 25-watt-hour rechargeable lithium-polymer battery
- Up to 10 hours of surfing the web on Wi-Fi, watching video, or listening to music
- Charging via power adapter or USB to computer system
| - Built-in 25-watt-hour rechargeable lithium-polymer battery
- Up to 10 hours of surfing the web on Wi-Fi, watching video, or listening to music
- Up to 9 hours of surfing the web using 3G data network
- Charging via power adapter or USB to computer system
| Input/Output | - 30-pin dock connector port
- 3.5-mm stereo headphone minijack
- Built-in speaker
- Microphone
| - 30-pin dock connector port
- 3.5-mm stereo headphone minijack
- Built-in speaker
- Microphone
- Micro-SIM card tray (Wi-Fi + 3G model)
| Sensors | - Three-axis gyro
- Accelerometer
- Ambient light sensor
| - Three-axis gyro
- Accelerometer
- Ambient light sensor
| Location | | - Wi-Fi
- Digital compass
- Assisted GPS
- Cellular
| Audio Playback | - Frequency response: 20Hz to 20,000Hz
- Audio formats supported: HE-AAC (V1 and V2), AAC (8 to 320 Kbps), Protected AAC (from iTunes Store), MP3 (8 to 320 Kbps), MP3 VBR, Audible (formats 2, 3, and 4, Audible Enhanced Audio, AAX, and AAX+), Apple Lossless, AIFF, and WAV
- User-configurable maximum volume limit
- Dolby Digital 5.1 surround sound pass-through with Apple Digital AV Adapter (sold separately)
| TV and Video | - Video mirroring and video out support: Up to 1080p with Apple Digital AV Adapter or Apple VGA Adapter (cables sold separately)
- Video out support at 576p and 480p with Apple Component AV Cable; 576i and 480i with Apple Composite AV Cable
- Video formats supported: H.264 video up to 720p, 30 frames per second, Main Profile level 3.1 with AAC-LC audio up to 160 Kbps, 48kHz, stereo audio in .m4v, .mp4, and .mov file formats; MPEG-4 video, up to 2.5 Mbps, 640 by 480 pixels, 30 frames per second, Simple Profile with AAC-LC audio up to 160 Kbps per channel, 48kHz, stereo audio in .m4v, .mp4, and .mov file formats; Motion JPEG (M-JPEG) up to 35 Mbps, 1280 by 720 pixels, 30 frames per second, audio in ulaw, PCM stereo audio in .avi file format
| Mail Attachment Support | Viewable document types: .jpg, .tiff, .gif (images); .doc and .docx (Microsoft Word); .htm and .html (web pages); .key (Keynote); .numbers (Numbers); .pages (Pages); .pdf (Preview and Adobe Acrobat); .ppt and .pptx (Microsoft PowerPoint); .txt (text); .rtf (rich text format); .vcf (contact information); .xls and .xlsx (Microsoft Excel) | Languages | - Language support for English (U.S.), English (UK), French (France), German, Traditional Chinese, Simplified Chinese, Dutch, Italian, Spanish, Portuguese (Brazil), Portuguese (Portugal), Danish, Swedish, Finnish, Norwegian, Korean, Japanese, Russian, Polish, Turkish, Ukrainian, Hungarian, Arabic, Thai, Czech, Greek, Hebrew, Indonesian, Malay, Romanian, Slovak, Croatian, Catalan, and Vietnamese
- Keyboard support for English (U.S.), English (UK), French (France), French (Canadian), French (Switzerland), German, Traditional Chinese (Handwriting, Pinyin, Zhuyin, Cangjie, Wubihua), Simplified Chinese (Handwriting, Pinyin, Wubihua), Dutch, Italian, Spanish, Portuguese (Brazil), Portuguese (Portugal), Danish, Swedish, Finnish, Norwegian, Korean, Japanese (Romaji, Ten Key), Japanese (Kana), Russian, Polish, Turkish, Ukrainian, Estonian, Hungarian, Icelandic, Lithuanian, Latvian, Flemish, Arabic, Thai, Czech, Greek, Hebrew, Indonesian, Malay, Romanian, Slovak, Croatian, Bulgarian, Serbian (Cyrillic/Latin), Catalan, Vietnamese, 【论坛严禁话题,请勿再谈,我们会保留追究的权利】【论坛严禁话题,请勿再谈,我们会保留追究的权利】an, Macedonian, and Cherokee
- Dictionary support (enables predictive text and autocorrect) for English (U.S.), English (UK), French, German, Traditional Chinese, Simplified Chinese, Dutch, Italian, Spanish, Portuguese (Brazil), Portuguese (Portugal), Danish, Swedish, Finnish, Norwegian, Korean, Japanese (Romaji), Japanese (Kana), Russian, Polish, Turkish, Ukrainian, Hungarian, Lithuanian, Flemish, Arabic, Thai, Czech, Greek, Hebrew, Indonesian, Malaysian, Romanian, Slovak, Croatian, Catalan, Vietnamese, and Cherokee
| Accessibility | - Support for playback of closed-captioned content
- VoiceOver screen reader
- Full-screen zoom magnification
- White on black display
- Mono audio
| Environmental Requirements | - Operating temperature: 32° to 95° F (0° to 35° C)
- Nonoperating temperature: -4° to 113° F (-20° to 45° C)
- Relative humidity: 5% to 95% noncondensing
- Maximum operating altitude: 10,000 feet (3000 m)
| Mac System Requirements | - Mac computer with USB 2.0 port
- Mac OS X v10.5.8 or later
- iTunes 10.2 or later recommended
(free download from www.itunes.com/download) - iTunes Store account
- Internet access
| Windows System Requirements | - PC with USB 2.0 port
- Windows 7; Windows Vista; or Windows XP Home or Professional with Service Pack 3 or later
- iTunes 10.2 or later recommended
(free download from www.itunes.com/download) - iTunes Store account
- Internet access
| In the Box | - iPad
- Dock Connector to USB Cable
- 10W USB Power Adapter
- Documentation
| Environmental Status Report | iPad embodies Apple’s continuing environmental progress. It is designed with the following features to reduce environmental impact:- Arsenic-free display glass
- BFR-free
- Mercury-free LED-backlit display
- PVC-free
- Recyclable aluminum and glass enclosure
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