filter transmission band
active power filter filter
improved variety improved breed
AC transmission line parallelly erected with DC transmission lines
revoling leaf type filter + vacuum filter
1D improved fractal sea surface model
2D improved fractal sea surface model
AC-I improved mix proportion design
adaptive and improved genetic algorithm
additional improved toggle-brace-damper
artificial improved soil
Casting improved twin block appliance
clonal improved varieties
dynamic multi-level improved model of base state with amendments