英语语法分析

In this paper, we discuss the stationarity and invertibility of a bilinear model.

本文主要讨论双线性时间序列模型的平稳性与可逆性。

To the poor stationarity of bent axle and the big vibration after remodeling, we redesign the bent axle.

针对改型后两缸机平稳性差、振动大的特点，我们对曲轴做了重新设计。

Control vehicle vibration whether rolling stock raise speed and improve key technology of stationarity their one of.

因此控制车辆振动是机车车辆提速并改善其平稳性的关键技术之一。