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2Â¥: Originally posted by fjtony163 at 2012-09-30 19:04:29
Here: I1 and I2 are luminous intensities on two spots distanced by ¦¤x. Therefore, ¦¤R could be obtained by measuring luminous intensities on two spots.

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piao_19850: ½ð±Ò+10, ·­ÒëEPI+1, ¡ï¡ï¡ï¡ï¡ï×î¼Ñ´ð°¸ 2012-09-30 20:12:25
Here: I1 and I2 are luminous intensities on two spots distanced by ¦¤x. Therefore, ¦¤R could be obtained by measuring luminous intensities on two spots.
2Â¥2012-09-30 19:04:29
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
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