| 摘要 |
An aiming sight has a base, two oppositely facing light emitting elements on the base, a pivot upon which the base rotates, a detent that holds the base at selected positions, and a spring, magnet or other structure that presses the sight towards the aimed device upon which the sight is mounted. The sight is selectively rotated so that one of the light emitting elements faces the user for aiming, without removing the sight or the light emitting elements from the aimed device.
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