improve on upon

Agile teams find the best ways to communicate with each other and continually improve upon current practices based on themselves as a team and on the project they're working on.

Agile团队找到了与其他人交流的最好方式，并不断提高当前的活动。

To improve upon persistence forecasting, companies rely on numerical weather prediction (NWP), the approach used by meteorologists to produce national weather forecasts.

为了改进持续性预报，企业们依靠数值天气预报(NWP)，这是一种气象学上用来进行天气预报的方法。

Based on analyzing the factors influencing upon forest cultivation quality, some countermeasures to improve the quality of forest cultivation were put forward.

针对影响森林培育质量的因素，提出了提高我国森林培育质量的相关对策。