activated-charcoal delay bed system
weighted sum of train delay-time
monolithic track bed；solid bed；integrated ballast bed；monolithic concrete bed
delay variation delay and delay variation bounded
Bandwidth-delay and delay variation constrained
Delay differential equations with a variable delay
low delay and delay variation
Nonlinear stiff delay differential equations with a variable delay
squelch opening delay and closing delay
annual temperature difference between track bed slab and bed plate
Circulating fluidized bed wity low velocity fore postied branch bed