Machine vision light source lighting

The light source is an important factor that affects the input of the machine vision system, which directly affects the quality of the input data and at least 30% of the application effect. Because there is no universal machine vision lighting device, for each specific application exa

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Rechargeable Hair Clipper Hw-208

Rechargeable hair clipperPower: 12WBattery: Ni-Cd 2.4V 2*900mABlade Material: high carbon steelWork Time: 80 minutesCharge Time: 1.5 hoursAdjustable lever: 0.8-2.0mmLimit Comb: 4 grades Super cuttin

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Smart card security data transmission work process

The combined mode process represents a higher level of security. The data portion of the APDU is no longer transmitted as a plaintext, but is replaced by an encrypted form, the process of which is an extension of the authentication mode process. In the combined mode process,

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