This paper presents the concept of upgrade rate and elaborates its significance and function.

给出了提升率的概念，并阐述了提升率的意义和作用。

The upgrade would be larger if today’s growth rate were sustained.

如果今天的成长率持续，上升还会继续。

And after the new upgrade of Hill Descent Control system, to achieve a novel Jun driving under the steep rate of self-regulation can greatly enhance the ease of handling and safety.

而经过全新升级的陡坡缓降控制系统，新奇骏实现了下陡坡行驶时可自行调节速度，大大增强了操控的便利性与安全性。