ÌâÄ¿ÄÚÈÝ
Èçͼ7-1-2ËùʾµÄµç½â³Ø½ÓÈëµç·ºó£¬ÔÚtÃëÄÚÓÐn1¸ö1¼ÛÕýÀë×Óͨ¹ýÈÜÒºÄÚ½ØÃæS£¬ÓÐn2¸ö1¼Û¸ºÀë×Óͨ¹ýÈÜÒºÄÚ½ØÃæS£¬ÉèeΪԪµçºÉ£¬ÒÔÏÂ˵·¨ÕýÈ·µÄÊÇ
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/201408241205406071948.gif)
A£®µ±n1=n2ʱ£¬µçÁ÷Ç¿¶ÈΪÁã |
B£®µ±n1>n2ʱ£¬µçÁ÷·½Ïò´ÓA¡úB£¬µçÁ÷Ç¿¶È I=£¨n1¨Cn2£©e/t |
C£®µ±n1<n2ʱ£¬µçÁ÷·½Ïò´ÓB¡úA£¬µçÁ÷Ç¿¶È I=£¨n2¨Cn1£©e/t |
D£®µçÁ÷·½Ïò´ÓA¡úB£¬µçÁ÷Ç¿¶ÈI=£¨n2+n1£©e/t |
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/201408241205406071948.gif)
D
±¾Ì⿼²éµçÁ÷Ç¿¶ÈµÄ·½ÏòºÍµçÁ÷Ç¿¶ÈµÄ¶¨ÒåʽI=q/t£¬ÔÚµç½âÒºµ¼µçʱ£¬¶¨ÏòÒƶ¯µÄµçºÉÓÐÕýÀë×Ӻ͸ºÀë×Ó£¬ËüÃÇͬʱÏòÏà·´·½ÏòÒƶ¯ÐγɵçÁ÷£¬µçÁ÷Ó¦¸ÃÊÇI=£¨n2+n1£©e/t£¬µçÁ÷·½Ïò°´¹æ¶¨¾ÍÊÇ
A¡úB£¬¹ÊӦѡD
A¡úB£¬¹ÊӦѡD
![](http://thumb2018.1010pic.com/images/loading.gif)
Á·Ï°²áϵÁдð°¸
Ïà¹ØÌâÄ¿