直接读出来，可得是xB，是液相摩尔分数。
So that means just reading off it, this is xB, that's the liquid mole fraction.
大多数的运用程序都可以从文件匣中直接读出这种格式。
Most applications can read this format straight out of the box.
正午时，表影投在石板上，古人就能直接读出表影的长度值。
In the midday, when the gnomon's shadow was cast over the stone plate, they could read the length of the shadow directly from the ruler.
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