资料来源 : Webster's Revised Unabridged Dictionary (1913)

Australian ballot \Aus*tra"li*an bal"lot\ (Law)
   A system of balloting or voting in public elections,
   originally used in South Australia, in which there is such an
   arrangement for polling votes that secrecy is compulsorily
   maintained, and the ballot used is an official ballot printed
   and distributed by the government.