10 What do you mean there are no snails in your fingers?

People who don't have a thread on their fingers are straightforward, kind and hardworking. Not good at tricks. In luck, I love someone very much and hate someone very much.

Hands are powerless, which is called Kun Wen. This kind of person is simple in character, practical and serious in doing things, not imaginative and unpractical. For entertainment reference only, fate depends on yourself, don't worry.

Fingerprint is a line formed by the concave and convex skin of human fingertips. Fingerprint can increase the friction when the hand touches the object, so it is easier to exert force and grasp the object. Fingerprints are naturally formed in the process of human evolution.

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Advantages of fingerprints:

1. Fingerprints are different features of human body, and their complexity is enough to provide sufficient features for authentication;

2. If you want to increase the reliability, you only need to register more fingerprints and identify more fingers, up to ten, each fingerprint is different;

3. The speed of scanning fingerprints is very fast and it is very convenient to use;

4. When reading fingerprints, users must contact their fingers with the fingerprint collection head and directly with the fingerprint collection head.