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• The symmetric values about the imaginary axis of zero-poles which the unstable process lies in the open and closed right-half plane are defined as their mirror-injection.

稳定过程右半平面零极点关于对称称为零极点的镜像映射。

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• The tilt of the earth's axis, that imaginary pole that runs through the center of the earth.

地轴是我们虚构穿过地心一个倾斜的直线轴。

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• The Earth's axis of rotation is tilted in relation to the ecliptic plane, an imaginary surface through Earth's orbit around the sun.

地球自转轴黄道面呈一定角度。黄道地球公转轨道所在一个假想平面

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• The Earth spins on an imaginary line called an axis that runs from the north pole to the south pole, while also orbiting the sun.

地球一个贯穿南极和北极点假想旋转，这个假想轴称为地轴。同时太阳公转。

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• AXIS, an imaginary straight line or an actual physical component (such as an axle) around which a body can rotate.

轴线物体围绕着旋转运动的一个想像的直线实际存在的部件()。

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• It turns around its axis, an imaginary line that goes straight through the middle of the earth from the North Pole to South Pole.

自己旋转；地轴是一想像穿过地球中央的、北极南极线

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• When an air jet is allowed to expand freely, the moving air is contained within an imaginary cone whose axis is coincident with that of the air jet.

气流自由膨胀时，运动气流构成一个假想的圆锥体，其轴线气流的轴线重合。

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• When an air jet is allowed to expand freely, the moving air is contained within an imaginary cone whose axis is coincident with that of the air jet.

气流自由膨胀时，运动气流构成一个假想的圆锥体，其轴线气流的轴线重合。

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