This region is where communications spacecraft operate and where the energy releases in space known as substorms wreak havoc on satellites, power grids and communications systems.
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这场快递拥堵是由网购量暴增引起的，目前网购包裹占到国内快递业务量的60%。
The delivery backlog has been caused by a surge in online shopping orders, which account for 60 percent of parcel deliveries.
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