并列题名：Study on the whitening characteristics of rice grains in the friction type mill Study on the whitening characteristics of rice grains in the friction type mill 并列题名：Study on dynamics characteristics of aerated flow cavitation bubble 并列题名：Study on the Characteristics of Brushworks of the Chu Bamboo Slips 并列题名：Study on the variation characteristics of steady state visual evoked potentials Study on the dynamic characteristics of new cycloid-pin wheel drive system Study on the propagation characteristics of airy laser in optical fibers Study on the shear creep characteristics of rock mass discontinity