hệ số đáp ứng 
response coefficient [ hệ ] : branch, system; generation
[ số ] : (1) amount, number, figure, quantity, size (of clothing), digit, edition; digital; (2) gear (of a car); (3) destiny, fate, lot
[ đáp ] : (1) to land, take (a vehicle); (2) to answer, reply
[ ứng ] : to respond
Most Common Compounds Set 1:
Most Common Compounds Set 2 :