| 摘要 |
At least two posts are extended from a deformable specimen and individual force couples are applied through each post to vary the configuration of the specimen. Specific embodiments are disclosed wherein the specimen is a flexible mirror in an optical system; in one form thereof, parallelogram linkages apply the force couples to the posts, and in another form thereof, extension assemblies are mounted between the posts which are each actuated by a remotely disposed actuator through a flexible drive.
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