这种名为“可佩戴个人导航系统”的眼镜包含电池、微电脑、磁定向传感器和几个LED灯。
The glasses, known as the 'Wearable Personal Navigation System', house a battery, a microcomputer, a magnetic directional sensor and a number of LED lights.
比如，定向式打灯可以高光突出艺术品、植物、其他装饰物或建筑物的某个部分。
Like track lighting, directional recessed lighting can be used to highlight art pieces, plants or other decorative or architectural features.
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