Faults which move along the direction of the dip plane are dip-slip faults and described as either normal or reverse, depending on their motion.

沿倾角方向移动的断层称为倾滑断层，并按他们的运动方向分别描述为正向或逆向。

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The normal pace of recessions is to have one dip per decade and one serious multi-year recession per generation.

FORBES: America Needs a 12-Step Recovery Program

Since the 1950s the normal pace of recessions is to have one dip per decade and one serious multiyear recession per generation.

FORBES: America's 12-Step Program

While inventories are slightly higher than normal, he says the first-quarter sales dip was a matter of 1, 500 bikes--one day of sales.

FORBES: Speed Bump