As the rod turns, LED light bounces off different parts of the fingertip, creating a series of linear images that are stitched together to form the fingerprint.
在短杆旋转的同时，LED光会从指尖的不同部份弹回来，制作出一系列线性影像，组合在一起就会形成指纹。
Looks like easy, though lot of parts need to be stitched.
看着还蛮简单的，虽然要绣的部分比较多。
Looks like easy, though lot of parts need to be stitched.
看着还蛮简单的，虽然要绣的部分比较多。
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