The paper introduces the principle and method of resolving time-series tendency part with higher difference method.
介绍了高次差法求解时间序列中趋势项的基本原理与方法。
Objective: To investigate the resolving time of the residual neck metastases in NPC patients after radiotherapy, to analyse possible factors in effect.
目的：观察鼻咽癌放疗后颈部残留灶的消退时间，并分析其影响因素。
Objective: To investigate the resolving time of the residual neck metastases in NPC patients after radiotherapy, to analyse possible factors in effect.
目的：观察鼻咽癌放疗后颈部残留灶的消退时间，并分析其影响因素。
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