求翻译：2012年7月28日，伦敦时间上午11时25分，奥运会射击女子十米气步枪决赛最后一枪：10.5环。决赛成绩502.9环，易思玲为中国代表团夺得伦敦奥运会第一枚金牌。。是什么意思？

July 28, 2012, 11:25 London time, the women's 10m air rifle final in Olympic shooting the last shot: 10.5 ring. Final scores 502.9 ring, YiSiLing for the Chinese delegation won the first gold medal in the London Olympics. .

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On July 28, 2012, the London time the 11AM of 25 minutes, the Olympic Games fire at the female ten meter gas rifle finals last gun: 10.5 links.The finals result 502.9 links, Yi Si Ling wins the London Olympic Games first gold medal for the Chinese delegation.。

On July 28, 2012, at 11:25 A.M. in London, Olympic shooting finals of the women's ten-metre air rifle final shot: 10.5. Final result 502.9, Yi Siling delegation of China won the first gold medals of the Olympic Games in London..

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