mean level of earth’s surface

over-sea mean level (OSL)

the standard deviation of mean level of blood gluc

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

coupling mechanism between upper level and low level jet

fiscal system at county level and township level

interaction between upper level and lower level

municipal level and county level

∧-bounded mean variation

2-th power mean

40-yearly mean

above mean sea level

absolute mean deviation

absorption mean free path

acceleration of sidereal on mean solar time

accident mean square error

actual mean