The equilibrium stock price is determined by both the supply and the demand side, corresponding to the free position of a spring when all external force is removed.

股票的均衡价格是股票的买卖双方处于均衡态势时共同认可的价格，对应于弹簧在无外力作用时的平衡位置。

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We can use an array to store a linear collection. Adding new elements to an array is easy since we simply place the new element in the first free position at the rear of the array.

数组可以存储线性集合，数组内添加元素很简单，就需要把新元素放到数组末尾的第一个空位置上。

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A novel calibration method to determine all the primitive parameters of the stereo visual sensor with free-position planar pattern is proposed.

提出一种基于任意位姿平面靶标的立体视觉传感器标定新方法。

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He was trying to make the conservative free market position more palatable for voters as a whole, and this is the one thing which he did so.

他试图,让共和党的自由市场理念,更加容易被选民们接受，让民众买得起房就是他的做法之一。

斯坦福公开课 - 经济学课程节选

Nobody argues that the free-market position is for the government to stop fixing potholes.

FORBES: "Intervention" Is Inevitable When The Government Has A Monopoly

It moved the free safety, a position usually 18 yards away from the line of scrimmage, to just half that distance.

CNN: Junior Seau was hurting and didn't know how to say it

Mr McCain gets his highest mark, an average of 3.5 and a clear advantage over Mr Obama, for his position on free trade and globalisation.

ECONOMIST: The Economist's poll of economists