ÌâÄ¿ÄÚÈÝ
СÀ¥ºÍС¾üÔÚ×ö¡°·ü°²·¨²âµç×衱µÄʵÑ飮
£¨1£©ÇëÄã°ïÖúËûÃÇÔÚʵÎïÁ¬½Óͼ1ÖУ¬ÓñʻÏß´úÌæµ¼Ïß½«ËùȱµÄµ¼Ïß²¹ÉÏ£®
£¨2£©µ±Ð¡À¥Íê³Éµç·Á¬½Óºó¾Í×¼±¸±ÕºÏ¿ª¹Ø£¬Í¬°éС¾üÌáÐÑ»¹ÓÐÒ»´¦²»Í×µ±£¬ÄãÖªµÀС¾üÌáÐѵÄÊÇʲôÂ𣿴𣺠£®
£¨3£©ÔÚʵÑé¹ý³ÌÖУ¬Ð¡À¥Í»È»ÏÖµçÁ÷±íûÓÐʾÊý£¬¶øµçѹ±íÓÐʾÊý£¬ÇÒ½Ó½üÓÚµçÔ´µçѹ£¬Ôò¹ÊÕÏ¿ÉÄÜÊÇ£º £®
£¨4£©Ð¡À¥»¹×¼±¸Ì½¾¿¡°µç×è²¢ÁªÊ±×ܵçÓë¸÷²¿·Öµç×èµÄ¹Øϵ¡±£®È¡À´Ò»¸ö10¦¸¶¨Öµµç×èºÍÒ»¸öµç×èÏ䣨£©£®ÇëÄãÔÚͼ3µÄ·½¿òÖÐΪËýÉè¼ÆÒ»¸öʵÑéµç·ͼ£®
£¨5£©Ð¡À¥½«Êý¾ÝÌîÈë±íÖУ¬·ÖÎö±íÖÐÊý¾Ý£¬µÃ³ö£º
=
+
£®Í¬°éС¾ü·¢ÏÖ£ºµç×è²¢ÁªÊ±µÄ×ܵç×è±È¸÷²¿·Öµç×趼ҪС£¬¶øÇÒµ±R2Ô¶´óÓÚR1ʱ£¬²¢ÁªµÄ×ܵç×èµÄ´óСÓë
·Ç³£½Ó½ü£®
£¨6£©ÎÒÃÇÖªµÀµçѹ±íÒ²ÊÇÓеç×èµÄ£¬µ±Ëü²¢ÁªÔÚµç×èÁ½¶Ë²âµçѹʱ£¬¶ÔԵ緻áÔì³ÉÒ»¶¨µÄÓ°Ï죮Èçͼ4Ëùʾ£¬µçѹ±í²¢Áªµ½R1Á½¶Ëʱ²â³öµÄµçѹֵδ½ÓÈëʱR1Á½¶ËµÄʵ¼ÊµçѹֵҪ £¨´ó/С£©£¬µ±±»²âµç×è×èÖµ ʱ£¨Ñ¡Ìî¡°½Ï´ó¡±»ò¡°½ÏС¡±£©£¬µçѹ±íµÄ²âÁ¿Öµ¸ü½Ó½üÕæʵֵ£®
£¨1£©ÇëÄã°ïÖúËûÃÇÔÚʵÎïÁ¬½Óͼ1ÖУ¬ÓñʻÏß´úÌæµ¼Ïß½«ËùȱµÄµ¼Ïß²¹ÉÏ£®
£¨2£©µ±Ð¡À¥Íê³Éµç·Á¬½Óºó¾Í×¼±¸±ÕºÏ¿ª¹Ø£¬Í¬°éС¾üÌáÐÑ»¹ÓÐÒ»´¦²»Í×µ±£¬ÄãÖªµÀС¾üÌáÐѵÄÊÇʲôÂ𣿴ð£º
£¨3£©ÔÚʵÑé¹ý³ÌÖУ¬Ð¡À¥Í»È»ÏÖµçÁ÷±íûÓÐʾÊý£¬¶øµçѹ±íÓÐʾÊý£¬ÇÒ½Ó½üÓÚµçÔ´µçѹ£¬Ôò¹ÊÕÏ¿ÉÄÜÊÇ£º
£¨4£©Ð¡À¥»¹×¼±¸Ì½¾¿¡°µç×è²¢ÁªÊ±×ܵçÓë¸÷²¿·Öµç×èµÄ¹Øϵ¡±£®È¡À´Ò»¸ö10¦¸¶¨Öµµç×èºÍÒ»¸öµç×èÏ䣨£©£®ÇëÄãÔÚͼ3µÄ·½¿òÖÐΪËýÉè¼ÆÒ»¸öʵÑéµç·ͼ£®
£¨5£©Ð¡À¥½«Êý¾ÝÌîÈë±íÖУ¬·ÖÎö±íÖÐÊý¾Ý£¬µÃ³ö£º
1 |
R²¢ |
1 |
R1 |
1 |
R2 |
ʵÑé´ÎÊý | 1 | 2 | 3 | 4 | 5 |
R1/¦¸ | 10 | 10 | 10 | 10 | 10 |
R2/¦¸ | 1 | 10 | 100 | 1000 | 10000 |
R3/¦¸ | 0.91 | 5.00 | 9.09 | 9.90 | 9.99 |
·ÖÎö£º£¨1£©¸ù¾Ýµçѹ±íÓë±»²âµç×è²¢Áª£¬»¬¶¯±ä×èÆ÷Óë´ý²âµç×è´®Áª½øÐÐʵÎïͼµÄÁ¬½Ó£®
£¨2£©±ÕºÏ¿ª¹ØÇ°»¬¶¯±ä×èÆ÷Ó¦´¦ÓÚ×î´ó×èÖµ´¦£¬·ÀÖ¹µç·ÖеĵçÁ÷¹ý´ó£¬ÉÕ»µµç·Ԫ¼þ£»
£¨3£©µ±µç·ij´¦¶Ï·ʱ£¬µçѹ±íÏ൱ÓÚ´®ÁªÔÚµç·ÖУ¬ÓÉÓÚµçѹ±íµÄµç×è·Ç³£´ó£¬¸ù¾Ý´®·ÖѹµÄµÀÀí£¬¶Ï·´¦µÄµçѹԼµÈÓÚµçÔ´µçѹ£»µ±µçÁ÷±í¶Ì·ʱ£¬¸ù¾Ý·ÖѹµÄµÀÀí¿ÉÖªµçѹ±íµÄʾÊý²»¿ÉÄܽӽüµçÔ´µÄµçѹ£®
£¨4£©¶¨Öµµç×èÓëµç×èÏä²¢Áª£¬ÀûÓõçѹ±í²â³ö²¢Áªµç×èÁ½¶ËµÄµçѹ£¬µçÁ÷±í²â³öͨ¹ýµÄµçÁ÷£¬ÔÙÀûÓû¬¶¯±ä×èÆ÷¸Ä±ä²¢Áªµç·Á½¶ËµÄµçѹºÍµçÁ÷¶à´Î²âÁ¿µÃ³ö¹æÂÉ£¬¾Ý´ËÉè¼ÆʵÑéµç·ͼ£®
£¨5£©×ܽᲢÁªµç·×ܵç×èÓë¸÷²¢Áªµç×èµÄ¹Øϵ£®
£¨6£©ÀûÓõçѹ±í²âÁ¿µçѹʱ£¬µçѹ±íÓëµç×è²¢Áª£¬Ï൱ÓÚ²¢ÁªÁËÒ»¸ö½Ï´óµÄµç×裻½áºÏ£¨5£©Ð¡ÌâµÄ½áÂÛ½øÐзÖÎö£®
£¨2£©±ÕºÏ¿ª¹ØÇ°»¬¶¯±ä×èÆ÷Ó¦´¦ÓÚ×î´ó×èÖµ´¦£¬·ÀÖ¹µç·ÖеĵçÁ÷¹ý´ó£¬ÉÕ»µµç·Ԫ¼þ£»
£¨3£©µ±µç·ij´¦¶Ï·ʱ£¬µçѹ±íÏ൱ÓÚ´®ÁªÔÚµç·ÖУ¬ÓÉÓÚµçѹ±íµÄµç×è·Ç³£´ó£¬¸ù¾Ý´®·ÖѹµÄµÀÀí£¬¶Ï·´¦µÄµçѹԼµÈÓÚµçÔ´µçѹ£»µ±µçÁ÷±í¶Ì·ʱ£¬¸ù¾Ý·ÖѹµÄµÀÀí¿ÉÖªµçѹ±íµÄʾÊý²»¿ÉÄܽӽüµçÔ´µÄµçѹ£®
£¨4£©¶¨Öµµç×èÓëµç×èÏä²¢Áª£¬ÀûÓõçѹ±í²â³ö²¢Áªµç×èÁ½¶ËµÄµçѹ£¬µçÁ÷±í²â³öͨ¹ýµÄµçÁ÷£¬ÔÙÀûÓû¬¶¯±ä×èÆ÷¸Ä±ä²¢Áªµç·Á½¶ËµÄµçѹºÍµçÁ÷¶à´Î²âÁ¿µÃ³ö¹æÂÉ£¬¾Ý´ËÉè¼ÆʵÑéµç·ͼ£®
£¨5£©×ܽᲢÁªµç·×ܵç×èÓë¸÷²¢Áªµç×èµÄ¹Øϵ£®
£¨6£©ÀûÓõçѹ±í²âÁ¿µçѹʱ£¬µçѹ±íÓëµç×è²¢Áª£¬Ï൱ÓÚ²¢ÁªÁËÒ»¸ö½Ï´óµÄµç×裻½áºÏ£¨5£©Ð¡ÌâµÄ½áÂÛ½øÐзÖÎö£®
½â´ð£º½â£º£¨1£©µçÔ´µçѹΪ6V£¬ËùÒÔµçѹ±íÑ¡Ôñ0¡«15VµÄÁ¿³Ì£¬È»ºó½«µçѹ±í²¢ÁªÔÚ´ý²âµç×èÁ½¶Ë£¬×¢ÒâµçÁ÷´ÓÕý½ÓÏßÖùÁ÷È븺½ÓÏßÖùÁ÷³ö£¬»¬¶¯±ä×èÆ÷Óë´ý²âµç×è´®Áª£»ÈçͼËùʾ£º
£¨2£©±ÕºÏ¿ª¹ØÇ°£¬»¬¶¯±ä×èÆ÷µÄ»¬Æ¬Ó¦´¦ÓÚ×èÖµ×î´ó´¦£»
£¨3£©µçÁ÷±íÎÞʾÊý£¬ËµÃ÷µç·ÖÐÓжÏ·£¬µçѹ±íµÄʾÊý½Ó½üÓÚµçÔ´µçѹ£¬ËµÃ÷Óëµçѹ±í²¢ÁªµÄµç×èR¶Ï·£»
£¨4£©ÏÈÈö¨Öµµç×èÓëµç×èÏä²¢ÁªºóÓ뻬¶¯±ä×èÆ÷´®Áª£¬µçÁ÷±í´®ÁªÔڸɷÖвâÁ¿¸É·µçÁ÷£¬µçѹ±íÓë²¢Áªµç·²¢Áª£¬¿ª¹Ø´®ÁªÔڸɷÉÏ£¬¿ØÖÆÕû¸öµç·£®ÈçͼËùʾ£º
£¨5£©Óɱí¸ñ·ÖÎö£¬R2Ô¶´óÓÚR1ʱ£¬R1ÓëR2²¢ÁªµÄ×ܵç×èR²¢Ô½½Ó½üÓÚR1£®
£¨6£©µ±²âµçѹʱ£¬µçѹ±íÒªÓëµç×è²¢Áª£¬ÓÉÓÚµçѹ±íµÄµç×è·Ç³£´ó£¬Òò´Ë×ܵç×è¼õС£¬ËùÒÔRÁ½¶ËµÄµçѹ»á¼õС£®¶øµ±±»²âµç×èºÜСʱ£¬Óëµçѹ±í²¢ÁªºóµÄ×ܵç×è»á½Ó½üÓÚ±»²âµç×èµÄ×èÖµ£¬µçѹ±íµÄ²âÁ¿Öµ¾Í¸ü½Ó½üÕæʵֵ£®
¹Ê´ð°¸Îª£º£¨2£©»¬¶¯±ä×èÆ÷µÄ»¬Æ¬Ó¦´¦ÓÚ×èÖµ×î´ó´¦£»£¨3£©µç×èR¶Ï·£»£¨5£©R1£»£¨6£©Ð¡£»½ÏС£®
£¨2£©±ÕºÏ¿ª¹ØÇ°£¬»¬¶¯±ä×èÆ÷µÄ»¬Æ¬Ó¦´¦ÓÚ×èÖµ×î´ó´¦£»
£¨3£©µçÁ÷±íÎÞʾÊý£¬ËµÃ÷µç·ÖÐÓжÏ·£¬µçѹ±íµÄʾÊý½Ó½üÓÚµçÔ´µçѹ£¬ËµÃ÷Óëµçѹ±í²¢ÁªµÄµç×èR¶Ï·£»
£¨4£©ÏÈÈö¨Öµµç×èÓëµç×èÏä²¢ÁªºóÓ뻬¶¯±ä×èÆ÷´®Áª£¬µçÁ÷±í´®ÁªÔڸɷÖвâÁ¿¸É·µçÁ÷£¬µçѹ±íÓë²¢Áªµç·²¢Áª£¬¿ª¹Ø´®ÁªÔڸɷÉÏ£¬¿ØÖÆÕû¸öµç·£®ÈçͼËùʾ£º
£¨5£©Óɱí¸ñ·ÖÎö£¬R2Ô¶´óÓÚR1ʱ£¬R1ÓëR2²¢ÁªµÄ×ܵç×èR²¢Ô½½Ó½üÓÚR1£®
£¨6£©µ±²âµçѹʱ£¬µçѹ±íÒªÓëµç×è²¢Áª£¬ÓÉÓÚµçѹ±íµÄµç×è·Ç³£´ó£¬Òò´Ë×ܵç×è¼õС£¬ËùÒÔRÁ½¶ËµÄµçѹ»á¼õС£®¶øµ±±»²âµç×èºÜСʱ£¬Óëµçѹ±í²¢ÁªºóµÄ×ܵç×è»á½Ó½üÓÚ±»²âµç×èµÄ×èÖµ£¬µçѹ±íµÄ²âÁ¿Öµ¾Í¸ü½Ó½üÕæʵֵ£®
¹Ê´ð°¸Îª£º£¨2£©»¬¶¯±ä×èÆ÷µÄ»¬Æ¬Ó¦´¦ÓÚ×èÖµ×î´ó´¦£»£¨3£©µç×èR¶Ï·£»£¨5£©R1£»£¨6£©Ð¡£»½ÏС£®
µãÆÀ£º±¾Ì⿼²éÁ˵çѹ±íµÄÕýÈ·Á¬½Ó¡¢»¬¶¯±ä×èÆ÷µÄÕýȷʹÓᢵ緹ÊÕϵÄÅжϡ¢µç·ͼµÄÉè¼ÆÒÔ¼°·ÖÎöÊý¾ÝµÄÄÜÁ¿£¬Éæ¼°µÄ֪ʶµã½Ï¶à£¬×ÛºÏÐÔ½ÏÇ¿£¬ÄѶȽϴó£¬Æ½Ê±Òª×¢ÒâÏà¹Ø֪ʶµÄ»ýÀÛ£®
Á·Ï°²áϵÁдð°¸
Ïà¹ØÌâÄ¿