mean total respiration rates Vt

root mean squares

Total mean increment

total total knee replacement

log mean temperature difference; logarithmic mean temperature difference

logarithmic mean area log mean area

logarithmic mean mole fraction; log mean mole fraction

logarithmic mean temperature difference; log mean temperature difference

Mixed Total Least Squares and Least Squares

soil total nitrogen and total phosphorus

TN Total Nitrogen and TP Total Phosphorus

total acids and total esters

total nitrogen and total phosphorous

Total α and Total β Activities

∧-bounded mean variation

2-th power mean

40-yearly mean

above mean sea level

absolute mean deviation

absorption mean free path