According to his calculations, a little helping hand would turn the Earth's magnetic field into a conveyor belt that would vent the gas into outer space, whence it would never return.
通过他的计算，只要施加一点小小的帮助，就能将地球的磁场变成一个将气体排放到外太空并且永不能返回的传输带。
After several years, the inner-belt electron density would return to normal, the model suggests.
该模型显示，几年后，内部辐射带的电子密度将回到正常值。
So he went away pulling in his belt and promising to return.
于是他勒紧裤腰带，转身离开，并保证自己会回来的。
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