Those who buy demonstrate, to some extent, a frequencymatch.
那些在某种程度上得到的人论证了频率的吻合。
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In our example, a 1-frequency of metaphone match in the name field is considered more desirable than a 50-frequencymatch in the jobresponsibilities field.
RCFD has similar performance as GFD, while it costs less in realization, because it realize the time match filter and frequencymatch filter in one structure.