发行时间：0001.01.01
总页数：14
编辑：
综保科技
摘要：
children and families education and the arts energy and environment health and health care infrastructure and transportation international affairs law and business national security population and aging public safety science and technology terrorism and homeland security
the rand corporation is a nonprofit institution that helps improve policy and decisionmaking through research and analysis. this electronic document was made available from www.rand.org as a public service of the rand corpora...
普通账号
