In this paper, the error in conversion of measurements under the polar coordinate system to ones under the Cartesian system is analyzed and an unbiased conversion formula is given.是什么意思_In this paper, the error in conversion of measurements under the polar coordinate system to ones under the Cartesian system is analyzed and an unbiased conversion formula is given.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句