unidimensional descending development

例句：

1. 1. The company's performance has been unidimensional descending development in recent years.
   该公司近年来的业绩表现是一维下降的发展。
2. 2.The research on the unidimensional descending development of renewable energy sources is still in its early stages.
   关于可再生能源源的一维下降发展的研究仍处于初级阶段。
3. 3.The unidimensional descending development model has been widely applied in various fields.
   一维下降发展模型已在各个领域得到广泛应用。