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加权平均
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weighted mean
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weighted mean
加权平均,加权均值
Astronomy
weighted average; weighted averaging
加权平均
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sewage flow rate monitoring
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sewage sewer
sewage sludge
sewage source heat pump
sewage treatment plant
Sewall G. Wright
Sewall Wright
Seward Peninsula
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sewerage system
sewer cleaning machinery
sewer comprehensive maintenance vehicle
sewer dredger
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sewing machine
sewing stitching
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