New Delhi has banned construction activities to tackle the deteriorating air quality in the Indian capital.

为了解决印度首都不断恶化的空气质量问题，新德里已经禁止建筑活动。

The law prohibits production and construction activities that may cause soil erosion in areas that already suffer severe soil erosion or have fragile ecology.

青藏高原生态保护法禁止在已经遭受严重水土流失或生态脆弱的地区进行可能导致水土流失的生产和建设活动。

Before we send anyone to Mars, we need data to answer some very key questions about human health, safety, and to validate each of these construction activities.

在我们把人送上火星之前，我们需要一些数据来 回答几个关于人类健康和安全的关键问题，还要验证每一个建设项目。

It said work should be done to strengthen the control of activities polluting groundwater and the rules that prevent groundwater pollution caused by soil pollution, production and construction activities should be refined.

强化对污染地下水行为的管控，细化防止生产建设活动污染地下水的制度。细化防止土壤污染导致地下水污染的制度。