aspirated fan stage sad compressor

hilly sad gaily region at the Lees Plateau

in sad earnest

in situ SAD

make sad work of it

sad

sad and shrill

sad apple

SAD distribution

SAD distribution in spatial domain

SAD domain

sad melody

Sad poetry

sad sack

Speech activity detector SAD

Sum of Absolute Difference SAD

Sum of Absolute Differences SAD

utter sad calls

stearoyl-ACP desaturase SAD