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美国一著名科学咨询小组日前指出,由于美国没能及时更换用于环境监测的卫星传感器,国家在极地冰雪消融、干旱、降雨以及其他环境变化方面的监测能力正在大大减弱。
A well-known scientific advisory panel in the United States recently pointed out that due to the failure of the United States to replace the satellite sensors used for environmental monitoring in a timely manner, the monitoring capability of the state in polar ice-melting, drought, rainfall and other environmental changes is greatly diminished.