First,the two boundary lines of rule line are used for locating the cutting tools.Then,an optimized arithmetic is used to find new points to be the tangent point of tool.是什么意思_First,the two boundary lines of rule line are used for locating the cutting tools.Then,an optimized arithmetic is used to find new points to be the tangent point of tool.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句