- point－area conversion coefficient
- 点: drop
- 面: face
- 换算: matrixing; scaler; conversio ...
- 系数: coefficient; ratio; modulus; ...
- 换算系数: coefficient of conversion; conversion coefficient; conversion factor; conversion ratio; equivalent factor; modulus; performance test; reduction coefficient; reduction factor; scale factor; scaling factor; scaling ratio; scalingfactor; scalingratio
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