不断修正和改进，直到形成满意的可行系统的翻译：Constantly revised and improved, until satisfaction of the formation of a viable system 什么意思？中文翻译英文，英文翻译中文，怎么说？

青云英语翻译

Constantly revised and improved, until a satisfactory viable system

Constantly revised and improved, until satisfaction of the formation of a viable system

Revises and the improvement unceasingly, until forms the satisfied feasible system

Continue to be refined and improved, until a satisfactory and viable system

Constantly revised and improved, until satisfaction of the formation of a viable system