它可容许较大程度的运动。
某种物体的数量，尤其是指污染物，超过测量标准或是可容许的程度。
The amount by which something, especially a pollutant, exceeds a standard or permissible measurement.
某种物体的数量，尤其是指污染物，超过测量标准或是可容许的程度。
The amount by which something, especially a pollutant, exceeds a standard or permissible measurement.
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