The results suggest that a reservoir with low vertical permeability and interlayer above the water oil contact would have good effect of water extraction and cone control.

研究表明，对于垂向渗透率较低、油水界面之上存在夹层的储集层，采水控锥效果显著。

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For example, in addition to the location, direction, and color of the light, it's possible to control the Angle of the spotlight cone and the center bias of the cone.

例如，除了位置、方向和光线颜色，它还能够控制spotlight锥角和锥体离心值。

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The dual-reflex bandpass, due to the fact that its ports control cone motion over a wider range of frequencies, produces the least distortion and exhibits the best power-handling characteristics.

双反射带通箱，由于它的导向孔在很大的频率范围内控制了锥盆动作，所以产生的失真最小，同时还表现出最好的功率承受特性。

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When crossing a road you can stand near the control box with your hand on the cone and independently know you can cross when it spins, without having to get help from a passer-by, if there is one.

BBC: The secret button at pedestrian crossings