Some good tricks to measuring a functional distance.
测量功能性距离，有些好方法。
Functional distance is a measure of space based on how that space is used, rather than its absolute measurement.
功能距离是依据空间的使用功能而非它的绝对测量值来衡量出的空间距离。
Primary efficacy measures were the 6-minute walking distance (6mwd) test, change in New York Heart Association functional class and several standard dyspnoea rating scales.
主要有效评估是6分钟步行距离(6mwd)测试，纽约心脏协会功能级别改变以及几种标准呼吸困难等级评分。
For instance Chengtie appearance to the original route from the city center one hour shortened to half an hour , the change will bring distance functional changes thus lead to changes in land prices.
再比如城铁的出现，使原来离市中心1小时的路缩短为半小时，距离的改变就会带来功能上的改变，从而会导致土地价格上的变化。
For instance Chengtie appearance to the original route from the city center one hour shortened to half an hour , the change will bring distance functional changes thus lead to changes in land prices.
再比如城铁的出现，使原来离市中心1小时的路缩短为半小时，距离的改变就会带来功能上的改变，从而会导致土地价格上的变化。
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