【电】 linear frequency modulation
clue; line; string; stringy; thread; tie; verge; wire
【医】 line; line Of occlusion; linea; lineae; lineae poplitea; mito-; nemato-
soleal line; strand; thread
【经】 line
frequency; frequently
confect; modulate
【计】 delta modulation; MOD; modulation
【医】 modulation