Micro gyroscope for determining {HEAD ~ rotational movements} about {TAIL ~ three spatial axes} which are perpendicular to one another 
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Micro gyroscope for determining { HEAD ~ rotational movements } about { TAIL ~ three spatial axes } which are perpendicular to one another
OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH