3、All the memory so that wind away, the only remaining trace of the invisible grief.
6、heart, the remaining trace of yearning, but also to give the fireworks can not be cut, lost in the spring, look back, only a sigh, the past soon drifted away.
4、Research of data collecting part on testing and imaging system of remaining trace on paper
2、Because the resistances between the remaining trace and non-remaining trace are different in paper, we can test remaining trace on paper by testing the resistance of invisible fingerprints of sweat.
5、This article elaborates on the testing principles and working procedures of the remaining trace on paper (mainly invisible fingerprints of sweat).
1、Only pay the remaining trace of the heart.
