python調用os.system執行系統命令，中文輸出顯示亂碼

why?

# coding=utf-8#中文注釋import osimport timeMajorObject = {                '/cygdrive/e/eBooks/Linux',                '/cygdrive/e/eBooks/JAVA'}TargetDir = '/cygdrive/e/eBooks/'Target = TargetDir + time.strftime('%Y%m%d%H%M%S') + '.tar'print TargetZipCmd = "tar -zcvf '%s' %s"%(Target, ' '.join(MajorObject))print ZipCmdresult = os.system(ZipCmd)if 0 == result:    print 'Succeed backup to ', Targetelse:    print 'Backup FAILED'

壓縮命令gzip 輸出的中文內容，顯示為編碼：
/cygdrive/e/eBooks/JAVA/Java\272\313\320\304\274\274\312\365(\324\255\312\351\265\3328\260\346)\276\355I_\273\371\264\241\326\252\312\266[www.TopSage.com]/