series fit级数拟合seriesn.（单复同）系列；丛书；连续series-compensated串补电容Series Plagiophyllaen.斜叶系series L-C circuit串联L-C电路series R-C circuit串联R-C电路series-wound motor串励电动机,串激电动机series shot-firing串联爆破series of deductions逐步推理series parallel scan串并联扫描series communication串行通信series diode clipper串联二极管削波器