幫忙啊,幫忙翻譯一下

The personal management system is each business enterprise essential to have of.The personnel file manages the covariance, search, renewal that the system includes generally to the personnel file, the statement outputs to wait the function.
If the artificial statisticses directly, workload will very huge, especially, if the employee of the business enterprise have several ten thousand or several 100,000 people, the artificial statisticses and will change of can't imagine.
Can make people set free out from the heavy but again monotonous covariance operation with the calculator, only be within the reach of then with some simple operations acquire the information of demand accurately