他的利润与赴年相比落差较大，原因在于其交易方法的差别。
His profits don't come close to matching those of last year because of a difference in the way he has been trading.
若断层有落差，落差高度与波长相当时，地表位移较大。
As for the fault with drop, when drop height is equal to wavelength, there is bigger displacements than other drop height.
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