Portuguese
sistema de coordenadas A system that uses coordinates to establish position.
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The coordinate system is just make believe, you know, like Peter Pan.
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Since Earth is rotating, any Earth-fixed coordinate system is rotating as well.
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Grid cells represent our location in space through a triangular coordinate system.
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In that case our coordinate system references will appear to shift.
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Main outcome measures: Maximum angles, forces, and moments in a local, wrist coordinate system.
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Time has no meaning here, or at least no frame of reference.
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And you only know which it is through your frame of reference.
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He had no frame of reference for an eradication of this magnitude.
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Mother Mariette has a narrow frame of reference in regard to possession.
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Justice Douglas wrote the opinion from the following frame of reference:
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Two venous cannulae were inserted to connect the ABS system and the reference system.
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First, he had to establish some kind of reference system.
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Objective: The aim was to establish a reliable reference system for biochemical measurements in endomyocardial biopsies.
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They were still essentially in zero gravity, and the brain could select any reference system it pleased.
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To give scientists and researchers consistency, LINZ has developed a new vertical datum, a reference system based on gravity.
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Recall that motion is meaningful only relative to a given reference frame.
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A rotating reference frame like this is called an accelerated or non-inertial frame.
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That's because the camera is in an accelerating reference frame of the plane.
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Our ideas about forces and motion, however, only work in a non-accelerating reference frame.
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In Starbuck's reference frame, it is Apollo who is approaching.
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The fake force allows a rotating reference frame to act like a stationary one.
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Perhaps, then, we need to look outside of our Galaxy for a fixed reference frame.
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Doesn't that imply that there's a preferred reference frame?
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Of course, if you move in a circle you aren't exactly in a non-accelerating reference frame.
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Looking from inside the Millennium Falcon as it accelerates is clearly accelerating (non-inertial reference frame).
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In a reference frame moving along with Supergirl, three days elapse as she chases after the missile.
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How high will it go in the elevator (in the reference frame of the elevator)?
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If you could view yourself from outside the car in a stationary reference frame, everything would make sense.
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Just to be clear, a faux force is needed to use normal newtonian mechanics when the reference frame is accelerating.
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Well, it works if you measure the acceleration from a stationary (technically at least a non-accelerating) reference frame.
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The objects were surrounded by scenes with an apparent axis of the global reference frame, such as a sidewalk scene.