The phrase "a fixed stage" is correct and usable in written English.
It can be used to describe a stage that is set in a specific position and does not change or move, often in the context of theater or presentations.
Example: "The production team decided to use a fixed stage to ensure that all the actors could be seen by the audience without any obstructions."
Alternatives: "a permanent stage" or "an unchanging stage".
Einstein showed us, through his general theory of relativity, that space was not a fixed stage, but rather an active participant in the dynamics of the Universe.
The experiments with external acceleration are performed on a setup comprising a platform with a fixed stage on a vibration exciter as shown in Fig. 11.
During the 20th-century revival of the York Mystery Plays, performances were held on a fixed stage in the gardens among the ruins of St . Marys Abbey.
In today's lingo, we might say that Newton viewed Euclidean space as a fixed stage upon which physical events occur, that time flows the same for every observer, and that time and space are independent.
For recording, slices were transferred to a chamber on a fixed stage of an Olympus BX51WI equipped with differential interference contrast optics.
Slices were perfused with 27°C ACSF at 4 ml/min in a recording chamber on a fixed stage upright microscope.
Line up one of the divisions on the eyepiece graticule with a fixed point on the stage micrometer.
Stagehands changed the stage configuration by automatically dropping a platform containing the first six rows of seats, sliding them under a cavity beneath the fixed stage and raising a platform that fit flush with the curvaceous lip of the fixed stage.
The pageant wagon may also have been drawn alongside a scaffold wagon, using the scaffold as a temporary stage, or been pulled up to a fixed platform stage for the duration of the play.
Normally, scanning electron microscopes observe materials on a fixed horizontal stage and under a strong vacuum, which causes water to evaporate instantly.
Epi- illumination in the visible range was provided by flexible light guides, one on each side of the fixed stage of the microscope, attached to a Schott KL1500 light source.
