| 摘要 |
An adaptive rotator including an at least partial ring mounted for rotation on a ring mount, the at least partial ring having provisions for mounting thereon accessories, a gantry coupler adapted to couple the at least partial ring to a rotatable gantry, and a mechanical compensator attached to at least one of the at least partial ring, the ring mount and the gantry coupler, the mechanical compensator yielding so that the at least partial ring rotates about a ring rotation axis generally collinear with a gantry rotation axis of the rotatable gantry without exercising significant forces on the rotatable gantry and the at least partial ring.
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