【化】 microdiffusion
minim; sparklet; atom; dram; drop; scruple; tittle
【医】 microdosage; microdose; microdosis; minute dose; trace
diffuse; pervasion; proliferate; spread
【计】 scattering
【化】 scatter
【医】 diffuse; diffusion; extensioin; generalization; generalize; irradiation