three position switch

bus-tie switch; bus tie switch

ATR switch (anti-transmit-receive switch)

selector lever, fire selector, fire switch, fire selector switch

momentary switch; push-switch

three-dimensional (3D) point position

position of rotary switch

three brigades abreast

3CF (three column format 1. Factor - What; 2. Deduction, Analysis / Implication – Why; 3. Output - So What)

one-(two-, three) dimensional steady flow

three flow turbojet engine

three-dimensional virtual mass moment of inertia

non-retractable three-leg landing gear

three-blade tail rotor

three-component balance

three-dimensional element

three-man crew

three-point landing

three-pointer electric indicator

three-pointer inductive indicator

velocity potential equation for three-dimensional gas flow

three-dimensional flow

description of object geometry in three-dimensional space

three-blade propeller

last three

precision three-site radar

three-pronged offensive

three-point resection

proportional–integral–derivative controller (PID controller / three-term controller)

Three-Axis system (South Korea's military strategy)

three-point sling

Two-oh-Three

launching position (missile position)