用应付未付外债总额与当年出口收人之比衡量一国长期资金的流动性，一般的限度为（）。

试卷相关题目

SQL Error: select id,body,options from ***_enewstiku where sourceid='26429' and id < 2207882 and id<>'2207882' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='26429' and id > 2207882 and id<>'2207882' order by id asc limit 5