summation

特殊用法heterogeneous summation1.■【动】异质相加indefinite summation1.■不定总和non-comparable summation1.■非可比求和法partial summation1.■部分求和; 和差变换post-detection summation1.■检波后相加weak summation1.■弱求和法summation by parts1.■分部求和(法)summation of contraction1.■收缩叠加[总和]summation of losses1.■【电】损耗求和summation of series1.■级数求和(法)