synchronous deposits

例句：

1. 1. The researchteam found that the synchronous deposits of carbon dioxide and methane were responsible for the formation of the greenhouse gases.
   研究团队发现，二氧化碳和甲烷的同步沉积物是形成温室气体的原因。
2. 2.The synchronous deposits of minerals in the area have been studied extensively to understand their impact on the environment.
   该地区矿物的同步沉积物已被广泛研究，以了解它们对环境的影响。
3. 3.The synchronous deposits of these two elements are crucial for the construction of the new city's infrastructure.
   这两种元素的同步沉积物对于新城市基础设施的建设至关重要。