private LengthCubed(FLT flt, double value, LengthCubedUnit unit)
     : base(flt, value, unit)
 {
 }
 public LengthCubed(double value, LengthCubedUnit unit)
     : base(FLT.LengthCubed, NormalizeValue(value, unit), DefaultUnit)
 {
 }