| 摘要 |
After a certain direction of a sample piece is allowed to coincide with an intersection line made by two planes of a surface of the sample and a conical side plane obtained by rotating, around a manipulator rotation axis, a line segment which is vertical to the surface of the sample and of which one end is an intersection of the surface of a sample and the manipulator rotation axis, the sample piece is supported by a manipulator and the manipulator rotation axis is operated.
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