[数]?完全加法类

... complete （度量空间）完备的 completely additive class 完全加法类 completely additive function of set 完全加性集合函数 ...

?完全加法族

完全加性的 completely additive 完全加法类(集合函数)；完全加法族 completely additive class (set function) 完全连续线性变换(算子) completely continuous linear transformation (operator) ..