电阻换算30kΩ= ___MΩ=___Ω500Ω=___kΩ=___MΩ
电阻换算30kΩ= ___MΩ=___Ω500Ω=___kΩ=___MΩ
电阻的单位换算1)400Ω=___KΩ=___MΩ2)1.5KΩ=__Ω=__MΩ3)16000Ω=_____KΩ=__
单位换算450cm/s=___m/s 1200cm/min=___m/s
30km/min=___m/s
单位换算:7.5km=___m;5.85mm=___m;0.068m=___nm;16.4m=___微米;1.8h=__
0.5cm/s=___m/s
5cm/s=___m/s
2.35×10的10次方nm=___m=___mm
one inch=____mm one foot _____ =____m one yard___=___m one m
1m^3=___dm^3__L 1cm^3=___mL____L=___m^3
8.4×10负六次方km=___mm=___m=___nm
比如54km/h =___m/s 25m/s=__km/h