发行时间：2020.12.15
总页数：55
编辑：
综保科技
摘要：
select rand research on the
information environment
2014–2020
c o r p o r at i o n
for more information on this publication, visit www.rand.org/t/cpa614-4.
about rand
the rand corporation is a research organization that develops solutions to public policy challenges to help make communities throughout the world safer and more secure, healthier and more prosperous. rand is nonprofit, nonpartisan, and committed to the public interest. to learn more about rand, visit www.rand.org.
research integri...
普通账号
