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应用引文分析法研究科技文献的老化,指出同时法曲线与历时法曲线可以互相合成,如果同时法与历时法等价、任意两条同时法或历时法曲线平移后必定重合。
Citation analysis is used to study the aging of scientific literature. It is pointed out that simultaneous curves and diachronic curves can be synthesized with each other. If simultaneous and diachronic methods are equivalent, any two simultaneous or diagonal curves must be overlapped after translation.