differential motion การใช้

• Control was by differential motion of the wings; the tailfins were fixed.
• Differential motion forces the interleaved discs to move through the fluid against each other.
• If the gas or liquid is very viscous ( resulting in turbulent differential motion ), the reversal of the magnetic field may not be very periodic.
• And it allows for the differential motion of those individual creatures that are situated at different points in the aggregation . talk ) 18 : 27, 24 January 2010 ( UTC)
• It is this type of differential motion that allows the iris to be positioned in any area of the optical axis in the lens, and do it in the smallest possible space.