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.
新的，更强大的雷达采用了积极的电子定标阵列能够检测到非常微弱的目标，快速地抓住它的隐身技术。
New, more powerful radars using active electronically scaled arrays can pick up fainter and fainter targets, and are fast catching up to stealth technology.
他们在流体力学，电子，隐身技术工程方面的研究速度及广度足不足以有能力赶上世界水平？
Are they learning fast enough and broadly enough, in terms of engineering and technology like fluid dynamics, electronics, stealth to be able to keep up with the state of the art?
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