本文深入探讨了指纹的三种主要模式——环形、螺旋形和弓形，并阐述了它们在整个生命历程中保持不变的独特性质。每种模式都有其独特的形成原理和识别价值，为生物识别技术提供了坚实的基础。
The lines and swirls on your fingertips make fingerprints.
There are three fingerprint patterns.
The first is called the loop.
The second is the arch.
The third is the whorl.
Your finger prints stay the same all your life.
Each person's fingerprints are different.
loop
whorl
arch
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