当前共有 2136 个好友
注册会员 积分数: 53
美国关于国土安全几个概念的界定http://www.crisis119.org/?action-model-name-research-itemid-444
高级会员 积分数: 5570
Faith: “intense, usually confident, belief that is not based on evidence sufficient to command assent from every reasonable person.”————Walter Kaufmann
中级会员 积分数: 373
“Your time is limited, so don't waste it living someone else’ life. Don't be trapped by dogma - which is living with the results of other people's thinking.” Steve Jobs (1955-2011)
Archiver|手机版|科学网 ( 京ICP备07017567号-12 )
GMT+8, 2024-9-21 07:27
Powered by ScienceNet.cn
Copyright © 2007- 中国科学报社