descending chain condition for left ideals

例句：

1. 1. The researchers found that the temperature of the water in the chain dropped significantly during the night.
   研究人员发现，在链中水的水温在夜间显著下降。
2. 2. Due to the declining chain condition, the quality of the product has deteriorated over time.
   由于下降链条件的影响，产品的质量随时间恶化。
3. 3.The company's production process is subject to a declining chain condition, which affects the efficiency of its operations.
   公司的生产过程受到下降链条件的影响，这影响了其运营的效率。