There exists a saddle type zone in the hydraulic momentcurve of axial-flow pump blades which corresponds to the saddle zone of discharge-head characteristic curve of the pump.
轴流泵叶片水力矩随流量变化的关系曲线存在一个马鞍区，并与流量-扬程曲线的马鞍区相对应。
2
Describing the moment, he added: 'I had just rounded a curve and was looking directly into the sunrise when I noticed the solar spike.
在描述这个时间段的时候,他补充道:"我驾驶汽车拐弯,正在观看日出的时候,发现了日柱."
3
Monitors display the incoming signal with a so called gamma curve (actually it is even more complicated, but we'll stick with this easier idea for a moment).