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wormma

ľ³æ (ÕýʽдÊÖ)

One for All, All for One

ÒÔÏÂÊÇÉÏÊöÊý¾ÝÖØÐÂÉáÈëµÄ½á¹û£¬»¶Ó­¸ÐÐËȤµÄ³æ³æ¶¼À´ÌÖÂÛ¡£Ò²¶¼À´ÕÒÕÒ¡°¾§Ìåѧ»áµÄ¹æ¶¨¡±£¬ÒÔÃâÒÔ¶ï´«¶ï¡£
2.5927(14)->2.593(1); 2.5927(15)->2.593(2); 2.5928(15)->2.593(2);
2.5928(14)->2.593(1);
2.5927(25)->2.593(2); 2.5928(25)->2.593(2); 2.5928(24)->2.593(2);
OneforAll,AllforOne
11Â¥2011-12-15 22:44:44
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wormma

ľ³æ (ÕýʽдÊÖ)

One for All, All for One

µ¥¶À»Ø¸´Ò»Ï£¬ÔٴθÐлxmuamoyµÄÌáÐÑ£¬ÎŹýÔòϲ¡£Ò²ÆÚ´ýxmuamoyÉÏ´«¡°¾§Ìåѧ»á¹æ¶¨¡±µÄԭʼÎÄÏס£
OneforAll,AllforOne
12Â¥2011-12-15 22:48:13
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xmuamoy

Ìú¸Ëľ³æ (ÖøÃûдÊÖ)

²»¹ýÐèÒªÖ¸³öµÄÊÇ£º¡°<19±£³Ö²»±ä£¬>20 ²ÅÐèÒªÉáÈë¡£¡±½öÊÊÓÃÓÚ¹ú¼Ê¾§Ìåѧ»áÄÚ²¿¡£
13Â¥2011-12-16 10:32:28
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wormma

ľ³æ (ÕýʽдÊÖ)

One for All, All for One

ÒýÓûØÌû:
13Â¥: Originally posted by xmuamoy at 2011-12-16 10:32:28:
²»¹ýÐèÒªÖ¸³öµÄÊÇ£º¡°<19±£³Ö²»±ä£¬>20 ²ÅÐèÒªÉáÈë¡£¡±½öÊÊÓÃÓÚ¹ú¼Ê¾§Ìåѧ»áÄÚ²¿¡£

ÓоßÌå³ö´¦Ã´£¿Ô¸ÎÅÆäÏê¡£thank you very much!
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OneforAll,AllforOne
14Â¥2011-12-16 10:51:50
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wormma

ľ³æ (ÕýʽдÊÖ)

One for All, All for One

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¡ï ¡ï
µÛ·ò(½ð±Ò+2, CMEI+1): ºÜºÃ£¡ÊÚÓèCMEIһö£¬»¶Ó­¼ÌÐø¹Ø×¢¾§Ìå°æ£¡ 2011-12-16 14:57:32
ÕÒµ½ÁË¡°¾§Ìåѧ»áµÄ¹æ¶¨¡±¡£°´×÷Õß×Ô¼ºµÄ˵·¨£¬Ö»ÊÇ¡®recommadation'.Èç¹ûÏëÔÚÎó²îÖб£Áô1λÓÐЧÊý×Ö£¬ÈÔÈ»ÊÇ·ûºÏ¹æ¶¨µÄ£¬Ö»ÊÇÉáÈëÎó²îÉÔ´ó¡£ÏÂÃæÊÇÔ­ÎÄ£¬¹©²éÔÄ¡£
12. The numerical value of an estimate y and its
standard uncertainty u(y) should not be reported with an
excessive number of digits. However, y should be quoted
with sufficient accuracy to minimize the effect of roundoff
error* in subsequent calculations. In order to limit the
round-off error of y (denoted by e) to 25% of u(y), u(y)
should be quoted to two significant digits in the range 10
to 19, implying that corresponding digits also be quoted
for y, and to one significant digit in the range 2 to 9. In
general, uncertainties should be rounded up rather than
to the nearest digit. For example, a bond distance of
1.542 49/~ with a s.u. of 0.015 32/~ should be reported
as 1.542 (16)/~ (e = 3%), and one of 2.163 52A with
a s.u. of 0.004 81/~ should be reported as 2.164 (5)/~
(e = 10%). Correlation coefficients should normally be
quoted with two significant figures unless their absolute
value is close to the value of 1.0, in which case three
significant figures should be used.
OneforAll,AllforOne
15Â¥2011-12-16 12:53:02
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xmuamoy

Ìú¸Ëľ³æ (ÖøÃûдÊÖ)

ºÇºÇ£¬»¹ÊÇÄã×Ô¼ºÕÒµ½ÁËÔ­ÎÄ£¬ÕâËäÈ»ÊÇ×÷Õߵġ®recommadation'£¬µ«Òѱ»¹ú¼Ê¾§Ìåѧ»á¹ã·º½ÓÊÜÁË¡£Êµ¼ÊÉÏ£¬ÎÒ¹ýȥҲûÓмû¹ýÔ­ÎÄ£¬ÊÇ I.D. BrownͨÐÅʱ¸æËßÎҵģ¬ºóÀ´¾ÍÒ»Ö±Õâô×ö¡£
16Â¥2011-12-16 16:08:25
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wormma

ľ³æ (ÕýʽдÊÖ)

One for All, All for One

ÒýÓûØÌû:
16Â¥: Originally posted by xmuamoy at 2011-12-16 16:08:25:
ºÇºÇ£¬»¹ÊÇÄã×Ô¼ºÕÒµ½ÁËÔ­ÎÄ£¬ÕâËäÈ»ÊÇ×÷Õߵġ®recommadation'£¬µ«Òѱ»¹ú¼Ê¾§Ìåѧ»á¹ã·º½ÓÊÜÁË¡£Êµ¼ÊÉÏ£¬ÎÒ¹ýȥҲûÓмû¹ýÔ­ÎÄ£¬ÊÇ I.D. BrownͨÐÅʱ¸æËßÎҵģ¬ºóÀ´¾ÍÒ»Ö±Õâô×ö¡£

Ôç˵Âï¡£»òÐíÎҾͲ»ÕÒÁË¡£ àÅ£¬»¹ÊÇ»áµÄ¡£¿´ÍêÔ­ÎÄÐÄÀï̤ʵ¡£
OneforAll,AllforOne
17Â¥2011-12-16 22:19:32
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zhouweixia

Ìú¸Ëľ³æ (ÕýʽдÊÖ)

×î½üÎÒÕâ´ò²»¿ªÐ¡Ä¾³æ£¬½ñÌì²Å¿´µ½Á½Î»¸ßÈ˵ÄÌÖÂÛ£¬Ð»Ð»ÄãÃÇÀ²£¡
18Â¥2011-12-17 10:06:08
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wormma

ľ³æ (ÕýʽдÊÖ)

One for All, All for One

ÒýÓûØÌû:
18Â¥: Originally posted by zhouweixia at 2011-12-17 10:06:08:
×î½üÎÒÕâ´ò²»¿ªÐ¡Ä¾³æ£¬½ñÌì²Å¿´µ½Á½Î»¸ßÈ˵ÄÌÖÂÛ£¬Ð»Ð»ÄãÃÇÀ²£¡

have sent you a message to say sorry, but looks you have not checked it yet.
OneforAll,AllforOne
19Â¥2011-12-17 11:51:26
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xmuamoy

Ìú¸Ëľ³æ (ÖøÃûдÊÖ)

ÒýÓûØÌû:
17Â¥: Originally posted by wormma at 2011-12-16 22:19:32:
Ôç˵Âï¡£»òÐíÎҾͲ»ÕÒÁË¡£ àÅ£¬»¹ÊÇ»áµÄ¡£¿´ÍêÔ­ÎÄÐÄÀï̤ʵ¡£

ʵ¼ÊÉÏÎÒÒ»Ö±ºÜÏë¿´¿´Ô­ÎÄ£¬Ö»ÊDz»ÖªÈ¥ÄÄÀïÕÒ£¿
ÔçÆÚ·¢±íÎÄÕÂʱҲ·¸¹ýÀàËÆ´íÎ󣬯Àίָ³öÁËÒ²¾ÍÒ»Ö±Õâô×öÁË£¬Ò²Ã»¶àÏë¡£
Ö»ÒªÊܹúÄÚ×ÊÁÏÀ´Ô´µÄÓ°Ï죬ºÜ¶àÔ­ÎÄ¿´²»µ½¡£Ë³±ãÔÙ†ªàÂÁ½µã£º
(1). Shelx97ºÍDiamondµÈ¾§Ìåѧרҵ³ÌÐò£¬ÒѰ´ÎÒÇ°ÃæËù˵µÄ½øÎ»·¨×Ô¶¯¸ø³ö½á¹û£¬Ö»ÊÇºÜ¶à³æ×ÓûÓÐ×¢Òâµ½¶øÒ죬Òò´Ë£¬´ó¼ÒÎÞÐèµ£ÐÄÔõô½øÎ»£¬³ÌÐò»á×Ô¶¯±£ÁôСÓÚ19µÄÓÐЧÊý¡£
(2). ¹ØÓÚÎó²îµÄ˵·¨£ºÓ¢ÎÄΪstandard uncertainty (s.u.), Ô­ÓеĽз¨£ºestimated standard deviation (e.s.d.)ÒѲ»ÔÙʹÓá£
20Â¥2011-12-17 13:36:49
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[»ù½ðÉêÇë] ÈËÆø²»ÐÐÁË +11 fansofjerry 2026-08-21 11/550 2026-08-25 11:04 by ¹Â¶ÀµÄÓ¢ÐÛ6
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[»ù½ðÉêÇë] ÎÒÃæÉÏÍêµ°ÁË +13 ÇÒÌý»¢Ð¥ 2026-08-20 14/700 2026-08-25 09:10 by mrkang
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