国有企业失败不仅由于低效的管理也因为他们不能实现从以前的计划经济到新的市场经济的运作模式的转换
The failure of state-owned enterprises is not only due to inefficient management but also because they are unable to achieve the transformation from the previous planned economy to the new market economy operation mode
以上为机器翻译结果，长、整句建议使用 人工翻译 。