因此，在笛卡尔平面使用x轴时，考虑一个特定的细胞为原点。
So, as you do with the x-axis in the Cartesian plane, you consider a particular cell to be the origin.
双曲三角函数就是对曲线应用三角函数，也就是说，想象将这些点放在笛卡尔平面上来得到t的所有可能值。
The hyperbolic trigonometric functions are to hyperbolae as the trigonometric functions are to circles. That is, imagine you plot these points on a Cartesian plane for all possible values of t.
没有理由假设，与完全就业一致的均衡利率，必须处于笛卡尔坐标平面的第一象限内。
There is no reason to presume that the equilibrium interest rate consistent with full employment is necessarily in the upper right quadrant of the Cartesian plane.
没有理由假设，与完全就业一致的均衡利率，必须处于笛卡尔坐标平面的第一象限内。
There is no reason to presume that the equilibrium interest rate consistent with full employment is necessarily in the upper right quadrant of the Cartesian plane.
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