A mechanism of wood vein pattern colouring on 6063 aluminium alloy is presented based on SEM and TEM observation.
借助于金相、扫描电镜、透射电镜等分析技术，建立了6063挤压铝合金木纹着色的机理模型。
Vein pattern recognition holds several advantages over fingerprint scanning, including reliability and speed, with the authentication taking only two seconds.
与指纹扫描相比，静脉识别稳定性高、速度快，识别过程只需两秒钟。
Vein pattern recognition holds several advantages over fingerprint scanning, including reliability and speed, with the authentication taking only two seconds.
与指纹扫描相比，静脉识别稳定性高、速度快，识别过程只需两秒钟。
应用推荐