标普500可能停止过去二十年最大幅度的增长，根据瑞银技术分析师研究的两个指标。
The S&P 500 may halt its biggest gain in 20 years, according to two indicators studied by technical analysts at UBS AG.
应用这种理论，能够对动态轨道衡信号数据处理中几种基本方法进行理论分析，从而较大幅度提高动态轨道衡的技术指标。
Thispaper gives a description of the theory and practise of mean value filter. Sometheoretical analyses used in signal data processing of dynamic electronic track sc-al may be un…
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