The Character of Clarke invariant Convex Function
li yan zhong (college of applied sciences of changchun inst.opt.and fine mech.) chui rengang (hai nan teachers college depart math) zhang fuwei (chang chun institute of optics and fine mechanics)
..............page:21-22,26
Supersonic Wave′s Vibration Range Measurement System
wang chunyan qin yongzuo (college of opto electronic and mechanical engineering of changchun inst.opt.and fine mech.) (college of electronics and information engineering of changchun inst.opt.and fine mech.)
..............page:63-66
..............page:13-16,48