这就是在单位时间内，通过一小部分曲线的流体了。
That is the stuff that goes through my curve, in unit time,for a small portion of curve.
最直接的方式是在单位时间内尽可能多的消费。
The most direct way to do this would be for people to consume more goods within a given unit of time.
动态螺旋线指的是在单位时间内，产生一种或者多种形态属性变化过程的螺旋线。
The dynamic helix refers to one or more formative propertis changing helix in a unit time.
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