Only one impulse was common to all—the attraction to the place which had been called Moscow in order to set their energies to work there.
只有一种动机是人们所共有的，那就是赶快到那个从前叫做莫斯科的地方，去到那里从事自己的活动。
3
This algorithm set threshold to distinguish impulse noise point, through variance rate of gray level. The information of every impulse noise point is noted in a array.