Conversion of length of schooling
dark-period length of photoperiod
Estimation of length of death
long-period variation of length-of-day
span length of length bar
square of length of second fundamental form
variation of length of day
runoff coefficient of period of time
active length of armature winding
anchorage length of rebar
arc length of cosine curve
arc length of meridian quadrant
are length of an ellipse