Trait IRatioMeasureWithUnit
iso_10303_parts::ap203
pub trait IRatioMeasureWithUnit: IMeasureWithUnit { }
impl IRatioMeasureWithUnit for DielectricConstantMeasureWithUnit
impl IRatioMeasureWithUnit for LossTangentMeasureWithUnit
impl IRatioMeasureWithUnit for RatioMeasureWithUnit