求翻译：2011年上半年，中国智能手机市场品牌占有率最高还是诺基亚为30.1%，但占有率不断缩小。主要以Android为系统的手机厂商三星、摩托罗拉，两大品牌则竞争激烈，三星排名第二，摩托罗拉第三。2011年上半年苹果iPhone手机市场占比为6.8%，下半年随着iPhone 5的推出，市场占比将会扩大。。是什么意思？

First half of 2011, China's smart phone market, Nokia is still the highest brand share was 30.1%, but market share is shrinking. Mainly Android-phone system manufacturers Samsung, Motorola, the two brands are highly competitive, Samsung ranked second, third Motorola. First half of 2011 Apple's iPhon

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The first half of 2011, China's top smartphone market share or a Nokia is 30.1%, but shrinking market share. Mainly Android system mobile phone manufacturers Samsung and Motorola, two brands, competition, Samsung ranked second, Motorola's third. 2011 Apple iPhone mobile phone market share for 6.8% i

The first half of 2011, China's top smartphone market share or a Nokia is 30.1%, but shrinking market share. Primarily be based on Android system of mobile phone manufacturers Samsung, Motorola, two brands is highly competitive, Samsung ranked second Motorola third. 2011 Apple iPhone mobile phone ma