A dynamical forecastingproblem for human resources planning of enterprise is investigated by using modern control theory, and a new enterprise human resources planning model is established.
本文使用现代控制理论方法研究了企业人力资源规划的动态预测问题，建立了一种新的企业人力资源流通模型。
2
One problem in forecasting earnings, he says, is that the Internet and real-estate bubbles pushed corporate profit margins to 7%, above the historical level of 6%.
他说，预测收益时存在的一个问题是，互联网和房地产泡沫将公司利润率推高到7%，超过了6%的历史水平。
3
These breaks happen with alarming frequency, but the real problem is that conventional forecasting approaches do not recognise them even after they have happened.