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wangxucai01

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dbb627

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wangxucai01: ½ð±Ò+100, ¡ï¡ï¡ï¡ï¡ï×î¼Ñ´ð°¸, лл 2012-04-13 21:47:00
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quad(@(x)100*acos((4.5+x*cot(a))/10)-(4.5+x*cot(a)).*sqrt(100-(4.5+x*cot(a)).^2),0,5.5*tan(a))

ans =  111.2055



The more you learn, the more you know, the more you know, and the more you forget. The more you forget, the less you know. So why bother to learn.
3Â¥2012-04-13 10:27:03
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qingzhouwang

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2Â¥2012-04-13 06:28:05
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dbb627

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The more you learn, the more you know, the more you know, and the more you forget. The more you forget, the less you know. So why bother to learn.
4Â¥2012-04-13 10:28:14
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

dbb627

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The more you learn, the more you know, the more you know, and the more you forget. The more you forget, the less you know. So why bother to learn.
5Â¥2012-04-13 10:31:08
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

yugaofeng666

гæ (СÓÐÃûÆø)

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ÒýÓûØÌû:
5Â¥: Originally posted by dbb627 at 2012-04-13 10:31:08:
¹«Ê½¼ûͼƬ
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6Â¥2012-04-13 11:55:50
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wangxucai01

ľ³æ (ÕýʽдÊÖ)

ÒýÓûØÌû:
3Â¥: Originally posted by dbb627 at 2012-04-13 10:27:03:
Õâ¸öÓÃ΢»ý·Ö¾Í¿ÉÒÔËã³öÀ´£¬
½«¸ß¶È×÷Ϊx£¬¹­ÐÎÃæ»ý±íʾΪxµÄº¯Êý£¬È»ºó¶ÔÌå»ý΢Ԫ»ý·Ö
quad(@(x)100*acos((4.5+x*cot(a))/10)-(4.5+x*cot(a)).*sqrt(100-(4.5+x*cot(a)).^2),0,5.5*tan(a))

ans =  111.205 ...

ÄãºÃ£¬·Ç³£¸ÐлÄãµÄ°ïÖú£¬ÎÒÌ«²»Çå³þÈçºÎ°ÑÄǸö¸´ÔӵĹ«Ê½Ëã³öÀ´£¬ÄÜ·ñÖ¸½Ì£¿ÁíÍ⣬ÎÒÏë°ÑÊýÖµ¸Äһϣ¬Âé·³Äã°ïæËãһϣ¬Ö±½Ó¸ÄΪ19.89mm,ƽÐÐÏßÖ®¼ä¾àÀë¸ÄΪ9.27mm¡£Ð»Ð»

[ ·¢×ÔÊÖ»ú°æ http://muchong.com/3g ]
7Â¥2012-04-13 14:51:19
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

wangxucai01

ľ³æ (ÕýʽдÊÖ)

ÒýÓûØÌû:
4Â¥: Originally posted by dbb627 at 2012-04-13 10:28:14:
»ý·Ö¹«Ê½
\int_{\rm{0}}^{{\rm{5}}{\rm{.5tan3}}{{\rm{5}}^ \circ }} \begin{array}{l} 100*arc\cos (\frac{{4.5 + x\cot {{35}^ \circ }}}{{10}}) - (4.5 + x\cot {35^ \circ })\sqrt {100 - {{(4.5 + x\cot {{ ...

ÄãºÃ£¬·Ç³£¸ÐлÄãµÄ°ïÖú£¬ÎÒÌ«²»Çå³þÈçºÎ°ÑÄǸö¸´ÔӵĹ«Ê½Ëã³öÀ´£¬ÄÜ·ñÖ¸½Ì£¿ÁíÍ⣬ÎÒÏë°ÑÊýÖµ¸Äһϣ¬Âé·³Äã°ïæËãһϣ¬Ö±¾¶¸ÄΪ19.89mm,ƽÐÐÏßÖ®¼ä¾àÀë¸ÄΪ9.27mm¡£Ð»Ð»

[ ·¢×ÔÊÖ»ú°æ http://muchong.com/3g ]
8Â¥2012-04-13 14:53:05
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

dbb627

ÈÙÓþ°æÖ÷ (ÖøÃûдÊÖ)

ÒýÓûØÌû:
7Â¥: Originally posted by wangxucai01 at 2012-04-13 14:51:19:
ÄãºÃ£¬·Ç³£¸ÐлÄãµÄ°ïÖú£¬ÎÒÌ«²»Çå³þÈçºÎ°ÑÄǸö¸´ÔӵĹ«Ê½Ëã³öÀ´£¬ÄÜ·ñÖ¸½Ì£¿ÁíÍ⣬ÎÒÏë°ÑÊýÖµ¸Äһϣ¬Âé·³Äã°ïæËãһϣ¬Ö±½Ó¸ÄΪ19.89mm,ƽÐÐÏßÖ®¼ä¾àÀë¸ÄΪ9.27mm¡£Ð»Ð»

¹«Ê½ÊÇÓÃmatlabËãµÃ£¬ÄãµÄÒâ˼ÊÇÖ±¾¶¸ÄΪ19.89mm£¬Æ½ÐÐÏßÖ®¼ä¾àÀë¸ÄΪ9.27mm£¬¶Ô³ÆÓÚÖ±¾¶Á½²àÂ𣬽ǶȲ»±ä°É
The more you learn, the more you know, the more you know, and the more you forget. The more you forget, the less you know. So why bother to learn.
9Â¥2012-04-13 14:54:34
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

dbb627

ÈÙÓþ°æÖ÷ (ÖøÃûдÊÖ)

¡¾´ð°¸¡¿Ó¦Öú»ØÌû

matlab ´úÂë
>> clear
>> close all
>> a=35/180*pi;
>> D=19.89;d=9.27;
>> quad(@(x)(D/2)^2*acos((d/2+x*cot(a))/10)-(d/2+x*cot(a)).*sqrt((D/2)^2-(d/2+x*cot(a)).^2),0,(D-d)/2*tan(a))

ans =

  104.8768
The more you learn, the more you know, the more you know, and the more you forget. The more you forget, the less you know. So why bother to learn.
10Â¥2012-04-13 14:59:51
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
Ïà¹Ø°æ¿éÌø×ª ÎÒÒª¶©ÔÄÂ¥Ö÷ wangxucai01 µÄÖ÷Ìâ¸üÐÂ
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