它同样是，开口向下的一条抛物线。
我们可以画出这样的开口向下的抛物线。
那是起点在1且开口向下的抛物线。
同时，路径的成熟度和市值有开口向下的二次函数关系。
In addition, path maturity has an inverted-U relationship with the market value.
现在想象得到的图像,当你垂直切割它时，它是开口向下的抛物线。
And now, you should imagine that you have this thing that when you slice it by a vertical plane, looks like a downward sparabola.
倒吊桶式疏水阀内部是一个倒吊桶为液位敏感件，吊桶开口向下。
The interior of the inverted bucket steam trap is BS inverted bucket, a liquid level sensitive part, with the bucket's opening downward.
倒吊桶式疏水阀内部是一个倒吊桶为液位敏感件，吊桶开口向下。
The interior of the inverted bucket steam trap is an inverted bucket, a liquid level sensitive part, with the bucket's opening downward.
得到的是在一个方向上开口向下，而在另外的一个方向开口向上的抛物线。
So, we have a parabola going downwards in one direction, upwards in the other one.
氮、磷、钾对产量的影响即单因素效应均表现为开口向下的抛物线，均存在一个最适范围。
The effects of nitrogen, phosphorus and potassium on yield are all parabolas that get down to openings, i. e. single factor effect, and all exist a most proper range.
植物群落的补偿性生长与载畜率的关系可以用开口向下的二次函数或者斜率为负的线性函数模拟。
For most systems, compensatory growth could be simulated with linear or quadratic models when the percent biomass eaten by sheep was used as an index for estimating the relative stocking rate.
另一个洞穴有个漏斗型开口，锥形向下至5cm的宽度，朝向曾经必是的另一个开口。
The other has a funnel-shaped opening that tapers down to a width of 5cm and runs towards what must once have been another opening.
肋衣领周围与检查内装饰的领口和向下的一面开口。
Ribbed collar with check trim around inside of neckline and down one side of placket.
卡环是一具有开口部的环形体，环形体的内侧设置一圈用于扣压轮芯的台阶，台阶表面具有向下倾斜的弧面形状。
The snap ring is a ring with opening part, the inside of the ring is arranged with a circle of step which is used to buckle the wheel core, and the surface of the step has downward inclined arc shape.
卡环是一具有开口部的环形体，环形体的内侧设置一圈用于扣压轮芯的台阶，台阶表面具有向下倾斜的弧面形状。
The snap ring is a ring with opening part, the inside of the ring is arranged with a circle of step which is used to buckle the wheel core, and the surface of the step has downward inclined arc shape.
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