从西安市出租汽车运价调整过程中，从它的多维的角度进行分析。

Taxi fares from Xi'an adjustment process, from the point of view of its multi-dimensional analysis.

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经历了多年的停滞不前，自1981年以来铁路运力水平上升了172%,基于通胀的调整，货运价格下降了55%（见图一）。

Since 1981 productivity has risen by 172%, after years of stagnation【14】. Adjusted for inflation, rates are down by 55% since 1981 (see chart 1).

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