把一个函数，在直角坐标和极坐标中转换。
You have a function that you want to switch between rectangular and polar coordinates.
此示例通过对两个变量应用SQUARE函数然后计算其和的平方根，返回直角三角形第三边的长度。
This example returns the length of the third side of a right triangle by applying the SQUARE function to two variables and then calculating the square root of their sum.
自建直角坐标系将实际问题转化为函数问题，也是对学生函数建模能力的重要考察。
Constructing a right Angle coordinate will turn practical problems into function problems and this entails the ability of students to develop function modeling.
想要记住函数和公式的焦虑无时不在，当我用刀斜切一个烤好的奶酪三明治时，会忍不住想去计算直角三角形的斜边长度。
Anxiety over functions and formulas is ever-present. Slicing a grilled-cheese sandwich diagonally, I find myself pondering the length of the hypotenuse.
本文利用直角坐标下函数的完备性来建立等参坐标下的非协调位移函数，给出了一对在直角坐标下二次完备的四边形平面等参非协调元。
In this paper, the incompatible displacement functions are constructed which possess completeness in Cartesian coordinates. A pair plane quadrilateral isoparametric incompatible elements are given.
本文利用直角坐标下函数的完备性来建立等参坐标下的非协调位移函数，给出了一对在直角坐标下二次完备的四边形平面等参非协调元。
In this paper, the incompatible displacement functions are constructed which possess completeness in Cartesian coordinates. A pair plane quadrilateral isoparametric incompatible elements are given.
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