| 单词 | smartphone operating system | 
| 释义 | > as lemmassmartphone operating system  C1.   General attributive and objective, as  smartphone market,  smartphone operating system,  smartphone user, etc. ΚΠ 1983    Washington Post 17 Mar.  e1/1 		(headline)	  				Atari to tap ‘smart phone’ market. 1987    PR Newswire 		(Nexis)	 25 June  				We are a leader in the ‘smart phone’ technology. 1995    Computerworld 17 July 16/3  				The new protocol..is aimed at..laptops, pagers, and the emerging ‘smart phone’ market. 2001    Times 24 July  i. 23/1  				Mobile handset makers..have endorsed smartphone software from Psion's Symbian subsidiary. 2009    South China Morning Post 		(Hong Kong)	 		(Nexis)	 10 Jan. 3  				Smartphone operating systems..include Nokia's Symbian platform and Apple's iPhone OS. 2015    D. R. Anderson et al.  Statistics for Business & Econ. 		(ed. 13)	 iii. 156  				A study of smartphone users shows that 68% of smartphone use occurs at home. < as lemmas | 
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