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piao_19850

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220chengeng

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phu_grassman: ½ð±Ò+1, thanks 2012-11-25 12:57:40
piao_19850: ½ð±Ò+3, ·­ÒëEPI+1, ¡ï¡ï¡ï¡ï¡ï×î¼Ñ´ð°¸ 2012-11-25 22:09:45
Measurement Accuracy (relative standard deviation): <6%
2Â¥2012-11-24 20:40:36
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220chengeng: ½ð±Ò+1, àÅ£¬µ±È»¿ÉÒԵġ£ 2012-11-25 14:47:14
piao_19850: ½ð±Ò+1, ¡ï¡ï¡ï¡ï¡ï×î¼Ñ´ð°¸ 2012-11-25 22:09:55
or Accuracy of Measurement
3Â¥2012-11-25 12:57:17
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Elaine³æ³æ³æ

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220chengeng: ½ð±Ò+1, »¶Ó­Ð³æÓ¦Öú¡£ 2012-11-25 14:46:38
piao_19850: ½ð±Ò+1, ¡ï¡ï¡ï¡ï¡ï×î¼Ñ´ð°¸ 2012-11-25 22:10:01
precision of determination (relative standard deviation): <6%
4Â¥2012-11-25 13:42:24
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