dermatograph

Conclusion: Observation of dermatograph is easy to operate and master and the result is stabile.This method is for suitable grass-roots unit and it is helpful to raise the quality of population.

皮纹测简单易行、易掌握，不受时空限制，测结果稳定，是便大基层推一种智力测法，对提高人口素质具有积极意义。