Refer to the dermatoglyphics opening and rotating direction, loops were mainly radialward while whorls ulnarward;on interdigitalⅠ,palmar patterns indicated their pecularity and complexity in percentile frequencies,print pattern and sexual difference;clustering the true pattern frequencies of the five species of primates, the result.

Finite Element Analysis of the Testing of the Magnetic Flux Leakage of the Built-Up Cracks;