空军希望现代无人战斗机能拥有双引擎,低红外特征,隐身功能,电子对抗,以及连接卫星的能力。
The Air Force wants modern UCAVs with twin engines, low infrared signature, stealth features, electronic countermeasures and the ability to link with satellites.
外向人群性格特征:生理机能上的不同。
Extroverted Personality Traits: Extroverts are Physiologically different.
水生生态系统的结构和机能,在许多基本特征方面同陆地生态系统一样。
Aquatic ecosystems share a number of basic structural and functional characteristics with terrestrial ecosystems.
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