ratio of square amplitudes
Root Mean Square Ratio of Gyration
sum of square of deviation
changing of frequency and regulating speed
changing ratio of azimuth
coefficient of frequency ratio
determinator of ratio of specific heat of gas
Invariability of Ratio of Areas
normalized change ratio of frequency NRF
ratio of frequency between the pier and the beam
Ratio of frequency drops
frequency changing ratio
arithmetric of square root
beam flanges out of square
beams of square tube section
CALLERLAB-INTERNATIONAL ASSOCIATION OF SQUARE DANCE CALLERS
chessboard system of square yard plots
Cultural Square of Wudang