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What is the total pressure (in atm)of a gas mixture,which has CH4 600.torr and
He 450.mmHg?
Plus or Minus
Symbolized as ±, a notation used in measurements to indicate the tolerance range or allowable variation from a specified dimension.
Surface Irregularities
Variations or deviations from the normal flatness or smoothness of a surface, which can affect the functionality or appearance.
Roughness
The measure of the texture of a surface, quantified by the deviations in the direction of the normal vector of a real surface.
Waviness
A form of surface irregularity characterized by wave-like deviations from a true flat surface, which can affect the function or aesthetics of the part.
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