primary energy economic ratio
economic inner profit ratio
economic profit cost ratio
economic stripping ratio
economic water-oil ratio
Baoding Regional differences Economic developing synthetical order Econormic regional coefficient of variability Economic developing total Z index
promote fundamental shifts in the economic system and mode of economic growth
To manage economic affairs according to 1aw;to put economic operation on a legal basis
Trade and Economic Department of Tianjin Finance and Economic Institute
axial compression ratio and slenderness ratio
B-C ratio (benefit-cost ratio)
benefit-cost ratio (B-C ratio)
focal ratio (=focal-length ratio)
grinding ratio(G-ratio)
maximum ratio combing according to signal to noise ratio
recirculation ratio recycle ratio
recycle ratio recirculation ratio