求翻译：于是，我们得出，在单个对于某一客观过程在某一发展阶段内的认识中，通过实践发现真理，又通过实践证实真理和发展真理。是什么意思？

Thus, we conclude, in a single one objective at a certain stage of development in the understanding of the process, discovering truth through practice, and confirmed truth and develop truth through practice.