数: frequently; repeatedly和: mix; blend代数和: algebraic addition; algebraic sum基数和: cardinal sum级数和: sum of series; value of series序数和: ordinal sum指数和: exponential sum操作数和: operand sum常数和量表: constant sum scales次数和转数: serial and rotation单数和复数: singular and plural范数和权数: norms and weights函数和映射: functions and mapping基数和序数: cardinal and ordinal numbers加权代数和: weighted algebraic sum奇数和偶数: parity原子序数和: molecular number非常数和对策: nonconstant sum game关于数和博弈: on numbers and games数和数的认知: numbers and number sensecsf细胞计数和分类: csf cell count and differential白细胞计数和分类: white blood count and differential包装件数和种类: number and kind of packages本征函数和本征值: eigenfunction and eigenvalue补数和增量累加器: complement and increment accumulator