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1. Á¿¼ÛÔö³¤»ù´¡ÖªÊ¶

Ê×ÏÈ£¬ÎÒÃǵÃÃ÷ȷʲôÊÇÁ¿¼ÛÔö³¤¡£¼òµ¥À´Ëµ£¬'Á¿'Ö¸µÄÊÇÏúÊÛÁ¿£¬'¼Û'ÔòÊÇÏúÊÛ¼Û¸ñ¡£ÕâÁ½¸öÒòËØµÄÔö¼õ±ä»¯Ö±½ÓÓ°Ïì×ÅÒµ¼¨µÄ×ÜÌå±íÏÖ¡£

  • ÏúÊÛÁ¿£¨Q£©£ºÍ¨³£Ö¸ÔÚÒ»¶¨Ê±¼äÄÚÏúÊ۵IJúÆ·ÊýÁ¿¡£

  • ÏúÊÛ¼Û¸ñ£¨P£©£º²úƷÿµ¥Î»µÄÊÛ¼Û¡£

2. ¼ÆËã·½·¨¼ò½é

Á¿¼ÛÔö³¤¶ÔÒµ¼¨µÄÓ°Ï죬»ù±¾ÉÏ¿ÉÒÔÓÃÒÔϹ«Ê½À´±í´ï£º \[ \text{×ÜÒµ¼¨±ä»¯} = (\Delta Q \times \text{¾É¼Û¸ñ}) + (\Delta P \times \text{ÐÂÊýÁ¿}) \]

ÆäÖУ¬\( \Delta Q \) £¨ÊýÁ¿±ä»¯£©ºÍ \( \Delta P \) £¨¼Û¸ñ±ä»¯£©ÊÇÎÒÃÇÒªÖØµã¼ÆËãµÄ¡£

3. ·Ö²½Ïê½â

²½ÖèÒ»£º¼ÆËãÏúÊÛÁ¿µÄ±ä»¯£¨\( \Delta Q \)£©

ÕâÒ»²½ÄãÐèÒª±È½Ï¿¼²ìÆÚÓë»ù×¼ÆÚÖ®¼äµÄÏúÊÛÊýÁ¿²îÒì¡£¹«Ê½ÈçÏ£º \[ \Delta Q = Q_{\text{ÏÖ}} - Q_{\text{»ù}} \]

²½Öè¶þ£º¼ÆËãÏúÊÛ¼Û¸ñµÄ±ä»¯£¨\( \Delta P \)£©

Õâ²½ÖèÉæ¼°µÄÊǼ۸ñµÄ±ä¶¯£¬¼ÆË㷽ʽΪ£º \[ \Delta P = P_{\text{ÏÖ}} - P_{\text{»ù}} \]

²½ÖèÈý£º¼ÆËã×ÜÒµ¼¨±ä»¯

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4. ʵ¼ÊÓ¦ÓÃʾÀý

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  • »ù×¼ÆÚ£¨È¥Ä꣩£º\( Q_{\text{»ù}} = 1000 \) µ¥Î»£¬\( P_{\text{»ù}} = 10 \) Ôª/µ¥Î»

  • ¿¼²ìÆÚ£¨½ñÄ꣩£º\( Q_{\text{ÏÖ}} = 1200 \) µ¥Î»£¬\( P_{\text{ÏÖ}} = 12 \) Ôª/µ¥Î»

ÏÖÔÚÎÒÃÇÀ´¼ÆËãһϣº

  • \( \Delta Q = 1200 - 1000 = 200 \) µ¥Î»

  • \( \Delta P = 12 - 10 = 2 \) Ôª/µ¥Î»

  • ×ÜÒµ¼¨±ä»¯ = (200 \times 10) + (2 \times 1200) = 2000 + 2400 = 4400 Ôª

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