interrelation coefficient meaning in English

Because it is about empirical tests of risk , this chapter used interrelation coefficient , index of risk decentralization and risk resolution index . the research found that the correlation of price fluctuation in shanghai a - share market reduced and the proportion of systematic risk in total risk changed
研究发现，上证a股市场股价变动的关联度较之早期已有明显降低，而系统风险所占总风险的比重也呈下降趋势，分散化投资能够较大幅度的化解投资风险。