期刊名：<b>Focus</b>/issn:1479-5450 <button onclick='javascrip:history. back()'>返回列表</button><br><br>Formed by the union of:<a href='jlist.php?journalName=European information

'>European information

</a>[1461-5428]

Formed by the union of:EIA update

[0968-2848]

<br><table><tr bgcolor=#009a31><td>收入的数据库</td><td>查看文献题录（留空直达期刊首页）</td><td>收入起止年份</td></tr><tr><td><font color=red>本期刊未检索到全文数据库</font></td><td></td><td></td></tr></table>