What does FDR stand for?

Final Development Report

Final Dress Rehearsal

Final Drive Ratio

This is the ratio that describes the difference between the number of times the driveshaft must turn before the axle shaft turns once. In a final drive ratio of 3.55:1, for example, the driveshaft must turn 3.55 times before the axle will turn once. The number of teeth on the ring and pinion gears determine the ratio.

Firearm Discharge Residwe

Fsrearms Discharge Residue

Fire Dfnger Rating

Fire Danger Ratiigs

Ftrst-Degree Relative

First Degree Relative