Empirical analysis is carried out aiming at elimination of errors in sample system with matching technology , asymmetry in price impact and the relationship between this asymmetry and market condition under different situations in china ' s securities market
2.
We should pay attention to the elimination of error in the measurements , for example the exerting of " window " and " double windows " . for exerting of the rapidity of measurements , we exerting the developed arithmetic interpolate in the measurements , the interpolate exerting for the digital oscillograph , the rapidity of measurements is improved more and more
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