arching theory for fissured beam
compensatory theory for life expense
fitting theory for small samples
Frick’s theory for electrical conductivity of suspension of ellipsoi-dal particles
Multiple coupled circuit theory
aggregation of three elements
Combinatorial indicatrixes for three categories indicatrixes
drought for three seasons
generalized model for three -phase reaction distillation
machine and environment Three elements
meteorological service for Three Rural Issues
one management for three nrojects
Prediction to the three elements of earthquake
three elements chemical plating
three elements complex fertilizer