“variance of unit weight”的概念、定义、翻译、参考文献-科学参考

单词	variance of unit weight
释义	variance of unit weight Encyclopedia 工学精度释 variance of unit weight单位权方差权为1的观测值的方差。用σ2表示。又称方差因子。
随便看	UNSCEAR unscented Kalman filter unsclerotized UNSD Unsealed Official Documents unsealed radioactive material unsealed radioactive source unseen companion unseen component unseen matter unselected marker unseparated unset unsetting body Unsettling Afternoon unshaped refractories unsharp masking unsharp quantum logic unshelled eggs unshielded twisted pair unshielded twisted pair, UTP unsigned number unsmeltable unsmooth discharge unsolicited distribution

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