ROUTINE 3D
  1. in Routine 3D you found the goal and the modifier and the terminal and then the opposition terminal. (SH Spec 139, 6204C26)
  2. 2. in 3D you're actually taking apart, from a distance, the component parts of the goals problem mass. (SH Spec 82, 6111C21)
Abbr. R-3D.

Technical Dictionary