The principle of the active laser surveillance is based on the cat's eyeeffects of optical systems.
激光主动侦察的基本原理是基于光学系统存在的“猫眼”效应。
2
By linking the electrical currents of two superconductors large enough to be seen with the naked eye, researchers have extended the domain of observable quantum effects.
研究人员通过将两个大到肉眼能够观察的超导体的电流联系起来，拓展了可以观察到的量子效应的范围。
3
The high water content helps to hydrate tender skin in the eye region, while the chill of a refrigerated cucumber helps contract blood vessels in the area–both effects combine to reduce swelling.