存款准备金率是传统的三大货币政策工具之一，它会出现上调和下调的情形，那么存款准备金率上调和下调的影响是什么，存款准备金制度有什么作用？下面答案揭晓。
I wrote my Java application in Eclipse. Now I would like to generate a .jar file which can be run on other systems from the command line. Is there a easy way to do it in Eclipse?
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