systematic variance造句

• This article is based on the systematic variance theoretically . through analyzing the development of the western banks and china ' s state - owned commercial banks , problems and conflicts accumulated in the past twenty years appear more and more serious and obvious in the state - owned commercial banks
  历经几阶段银行改革，并无触动到产权层面，国有商业银行仍在低效率状态下缓步前行，我国国有商业银行体制改革的搁置的成本在不断加大，风险也在不断累积。