-:, - - (101 2- 3- 4 5 6 7 8 mu-9 ) !-1 2- 3- 4 5 56 7 8 mu-9 -, ,-1? (2)()!10,9,832,1,*,!()*- -,0.0001!:yes,yesyes! yesyesyes5!, ,!*-)*!yesyes! !211?-,i show -,-,ecoswey-,-?!yes,-* - 2014/4/28! - -1-.- -*-.-* 2*-*- *- 3*-*- 4-51 ,1221-12121 2 121 2- 1 - 2 - 1 - 2 - 1 - 2 - 1 - 2 - 1 - 2 - 1 - 2