weigh on sb.'s mind

ACF (average calibration factor) afc(automatic frequency control) automatic selective controlrelay cholesteric pitch complex singularity Fakenham fibr? lentis fluctuating interest rates Friction costs guard interval length hemiplegia oculomotoria alternans hydrogenion in soils and in solutions landscape process Limarsol memory-joggers palaeopsychological scriber point shinin subsoil ice uniformly labeled compound