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科技导报 | 专题论文 2018,36(4): 22-25
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科技导报 | 专题论文 2018, 36(4): 22-25
DARPA的创新特点及启示
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李元龙
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    国家国防科技工业局新闻宣传中心, 北京 100048
DARPA and innovations
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出版时间: 2018-02-28 doi: 10.3981/j.issn.1000-7857.2018.04.004
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探讨了美国国防高级研究计划局(DARPA)不断取得创新成就的内外部因素,对美国国防部加大创新力度的努力进行了分析。美国从完善创新体系、调整创新战略上的许多做法值得借鉴,特别是它有包容的创新文化、一以贯之的创新诉求、永不满足的创新需求等,再加上制度上的科学设计,共同奠定了美国长期保持科技优势的坚实基础。
DARPA  /  科技创新环境  /  制度设计
It is shown that there are many internal and external factors that contribute to the DARPA's success in promoting innovations of the military technology. The U.S has been endeavoring to perfect the innovation systems and adjust the innovation strategies to stay at the top of the technological level. As far as the innovation is concerned, those measures taken by the forces of the United States can provide many enlightenments for other countries.
DARPA  /  science and technology innovation environment  /  system design
李元龙. DARPA的创新特点及启示. 科技导报, 2018 , 36 (4) : 22 -25 . DOI: 10.3981/j.issn.1000-7857.2018.04.004
LI Yuanlong. DARPA and innovations[J]. Science & Technology Review, 2018 , 36 (4) : 22 -25 . DOI: 10.3981/j.issn.1000-7857.2018.04.004
2018年第36卷第4期
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doi: 10.3981/j.issn.1000-7857.2018.04.004
  • 接收时间:2017-11-20
  • 首发时间:2018-03-08
  • 出版时间:2018-02-28
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  • 收稿日期:2017-11-20
  • 修回日期:2018-01-31
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2种不同金属材料的力学参数

Family
属数
Number of
genus
种数
Number of
species
占总种数比例
Percentage of
total species (%)

Genus
种数
Number of
species
占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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