Partial D部分Dpartialadj.不完全的；部分的；偏袒的；偏爱的partial diversion部分分水partial dial tone拨号不全音partial colectomy结肠部分切除术partial quenching局部淬火partial tone reve部分色调反转partial automatic半自动的partial-hip end小戗角Partial order set偏序集partial fractions[计] 部分分式, 部分分数partial annealing不完全退火,局部退火

1. The infinite series diverges, meaning that its sequence of partial sums does not tend towards any finite limit.Equivalently, one says that lacks a sum.
   此无穷级数发散，即其部分和的序列不会趋近于任一有穷极限，可等价地认为不存在和。