public LengthToThe4th(double value, LengthToThe4thUnit unit)
     : base(FLT.LengthToThe4th, NormalizeValue(value, unit), DefaultUnit)
 {
 }
 private LengthToThe4th(FLT flt, double value, LengthToThe4thUnit unit)
     : base(flt, value, unit)
 {
 }