Thus the work which vulcanologists undertake, monitoring volcanoes and their seismic activity, is crucial to saving lives.

因此，火山学专家的任务，就是观测火山以及它的地震活动，这对救人来说至关重要。

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Construction and exploitation projects have to undertake the duty and obligation of control soil loss, and monitoring under Chinese laws of soil and water conservation.

根据我国水土保持法律、法规的规定，开发建设项目在建设和生产过程必须承担防治水土流失的责任和义务，并同时进行监测。

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Hasan said, among other things, Indonesia would expand efforts to reduce its tiger-human conflict, protect remaining tiger habitats and undertake long-term monitoring of the animals and their prey.

哈桑说，除其他事项外，印尼将加强努力，以减少虎与人类的冲突，保护剩余的老虎栖息地和进行长期的动物和它们的猎物监测。

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Additional measures being investigated include encouraging haulage companies to undertake out-of-hours deliveries and monitoring the experience of cities which have banned lorries from certain parts.

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