求翻译：北京时间7月28日下午，伦敦奥运会射击比赛结束了女子十米气步枪决赛的争夺，中国名将易思玲19万以502.9环的成绩获得金牌，这也是本届奥运会的首枚金牌，新秀喻丹17万以501.5环获得铜牌。波兰选手波加茨卡以502.2环的成绩获得银牌。是什么意思？

Beijing on the afternoon of July 28, the end of the London Olympic Games shooting competition of the women's 10m air rifle final contention, Chinese star YiSiLing, 190,000 502.9 achievements of the ring gold medal, which is also the first gold medal of the Olympic Games, the rookie Yu Dan 170 000 50

BEIJING, July 28, Olympic Games in London in the afternoon the women's shooting competition end 10 m air rifle final of the competition, the Chinese name will be easy to 190,000 Ms 502.9 to win the gold medal of achievement, this is also the first Olympic Games gold medal, and the new Su Yu Dan 170,

The Beijing standard time on July 28 the afternoon, the London Olympic Games fired at the competition to end the female ten meter gas rifle finals contention, Chinese great soldier Yi Si Ling 190,000 have obtained the gold medal by 502.9 link result, this also was this session of Olympic Games' firs

Beijing time on July 28, London's Olympic shooting competitions over women's ten-metre air rifle competition finals, Chinese Yi Siling 190,000 for 502.9 ring of gold, which was the first gold medals of the games, rookie Yu Dan 170,000 to 501.5 ring the bronze medal. Poland player bojiacika won the S

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