细心的读者朋友也许会发现,在今年的每期《国际航空》中都有一张长条形的卡片,上面分门别类列出了订户信息、工作领域及工作性质等各种信息,这就是本刊推出的方便读者获取信息的“专业读者服务卡”。从今年初,已有不少读者陆续给我们寄回了填好的卡片,但许多人的填写方法不尽正确,下面简单介绍一下如何正确使用“读者服务卡”以获取您想要的资料。 Careful reader friends may find that in each of this year’s “International Aviation” has a bar-shaped card, the above categories are listed in the subscriber information, work areas and the nature of work and other information, which is published Reader-friendly "service card for the convenience of readers. Earlier this year, many readers have sent us the completed card, but many people have not filled in correctly. Here’s a brief introduction on how to use Reader Service Card correctly to get the information you want.