例句與造句

1. MUF is a median frequency, defined as the highest frequency at which skywave communication is possible 50 % of the days in a month, as opposed to the lowest usable high frequency ( LUF ) which is the frequency at which communication is possible 90 % of the days, and the Frequency of optimum transmission ( FOT ).
2. *Drummond JC, Brann CA, Perkins DE, Wolfe DE : " A comparison of median frequency, spectral edge frequency, a frequency band power ratio, total power, and dominance shift in the determination of depth of anesthesia, " " Acta Anaesthesiol Scand . " 1991 Nov; 35 ( 8 ) : 693-9.
3. It's difficult to find median frequency in a sentence. 用median frequency造句挺難的