美国冰雪数据中心(National SnowandIce Data Centre)使用NASA开发的工具跟踪观察北冰洋的冰架,并从1979年以来每个月都制作卫星地图。
The National Snow and ice Data Centre tracks the Arctic ice-shelf using tools developed by NASA, and has produced monthly satellite maps going back to 1979.
在受灾现场,所有的大型救援行动都设有通讯中心,援助人员可以在那里发送电子邮件、阅读最新的安全资料,以及研读受灾地区的卫星地图。
On the ground, all big relief operations have communications centres where aid workers go to send e-mails, read the latest security updates and study satellite maps of the affected area.
在受灾现场,所有的大型救援行动都设有通讯中心,援助人员可以在那里发送电子邮件、阅读最新的安全资料,以及研读受灾地区的卫星地图。
On the ground, all big relief operations have communications centres where aid workers go to send e-mails, read the latest security updates and study satellite maps of the affected area.
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