视障人士的福音：无线语音告知系统
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参考书目
[1] Magnitude and causes of visual impairment (WorldHealth Organization), www.who.int/mediacentre/factsheets/fs282/en/
[2] AN2902 MC1319x Range Performance Application Note
[3] BeeKit Wireless Connectivity Toolkit, www.freescale.com/webapp/sps/site/prod_summary.jsp?code=BEEKIT_WIRELESS_CONNECTIVITY_TOOLKIT&fsrch=1
[4] Ultra-Low-Power Wireless Designs for Real-TimeCommunication, www.freescale.com/webapp/sps/site/overview.jsp?code=784_LPBBLWPWRWRLSS&fsrch=1
[5] MC1321x Technical Data Document
[6] MC1322x Product Preview Document
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