求翻译：努力提高太阳能的固定率和利用率，建立和管理一个生态上自我维持的低输入，经济上可行的农业生产系统，促进物质在系统内部的循环利用和多次重复利用是什么意思？

Efforts to improve the utilization of solar energy fixed rate and to establish and manage an ecologically self-sustaining low-input, economically viable agricultural production system, the material within the system to promote recycling and reuse many times

Efforts to enhance solar energy utilization and the fixed rate, and the establishment and management of a ecologically self-sustaining, low-input, and economically viable agricultural production systems within the system, and promote the use of recycled materials and repeated use

Enhances the solar energy diligently fixed rate and the use factor, establishes and manages in an ecology the self-maintenance low input, in the economy the feasible agricultural production system, the promotion material in the system internal circulation use and many times the reuse

Efforts to improve the fixed rate and utilization of solar energy, building and managing an ecologically self-sustaining low input, economically viable agricultural production systems, promoting the recycling of material inside the system and repeat use

Efforts to improve the fixed rate and utilization of solar energy, building and managing an ecologically self-sustaining low input, economically viable agricultural production systems, promoting the recycling of material inside the system and repeat use