具体办法是，以各音像、电子出版单位年度选题计划为核发依据，以往年度核发总量为参考，确定分配和核发年度音像制品版号和电子出版物专用书号额度。
The specific rules are that the new numbers are issued based on the annual selection of titles of the publication houses , amounts of publications distributed in previous years .
选题计划