即使有朝一日证明可以制造出在全波段都完全隐形的飞机，还会有一个更深一步的问题。
Even if it ultimately proved possible to make an aeroplane completely invisible at all wavelengths, there would be a further problem.
但是最近一项研究表明，科学家已经成功制成了在全可见光波段将物体隐藏起来的隐身斗篷。
But in a new study, researchers have fabricated a carpet cloak that can make objects undetectable in the full visible spectrum.
本文着重介绍全晶体管化X波段地面散射计的设计、结构与性能指标。
This article describes design construction and characterization of a transistorized X-band ground-based scatterometer.
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