Sentence:The developed [e1]mechanism[/e1] is composed of a dual coaxial high-precision [e2]goniometer[/e2], which has theta-in and theta-out axes with 0.0025" resolution, and two crystal mounts connected to the rotation axes (Fig. 1).
 e1: mechanism. 
 e2 : goniometer.
Answer: Component-Whole(e2,e1)