We take the downward direction as positive.

我取向下的方向为正。

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In computer graphics, scrolling restricted to an upward or downward direction.

在计算机图形学中，只限于指向上或向下滚动屏幕图形的过程。

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These tendencies will probably work with less friction in the upward than in the downward direction.

这些趋势在经济向上时比向下时所遇到的阻力要小。

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World markets continue their downward spiral as investors try to gauge the direction of the global economy.

VOA: standard.2010.05.25

The problem is that nominal incomes and prices are sticky in a downward direction.

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Other polls have shown changes in the same downward direction.

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The downward slope becomes the same self-fulfilling prophecy that the upslope represented, just in the opposite direction.

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