解： 因为角系数：X33?0.5，X1,3?1，X3,1?0.25，X2,1?0，X2,3?1
1??11?0.351??13.265 A1?A2???0.32?0.14m2
A1?10.35?0.14211??7.143;
A1X1,30.14?111???
A1X1,20.14?0a) Q1?11??7.143
A2X2,31?0.14Eb1?Eb2?164w
13.265?7.143?7.143Eb1?J3 解得J3?1847?Eb3
13.265?7.143b) 164?所以T3?428K。