By separating the vertical and the horizontal polarization, the device can overlap those images to produce an accurate fingerprint, which is fed to a computer for verification.
通过分离横向偏振和纵向偏振，将其叠加生成一幅更准确的指纹图，将此作为计算机处理认证的输入。
2
In horizontal position welding, the gravity makes molten metal flow downward and sometimes causes weld defects such as undercut and overlap.