断面曲线 meaning in Chinese

area curve

Shape definition for snap face curve of twing screw ofcomplete conjugation
全啮合双螺杆断面曲线几何形状的确定
Experiment results prove that this algorithm is a practical and effective method , with which the ideal cross - section curve can be acquired . the result is coincidence to the standard iri ( the international roughness index ) and meets the necessity
实验结论：基于阵列信号处理和小波降噪的算法应用于路面平整度检测可以得到较理想的断面曲线，换算国际平整度指标iri与标定较吻合，符合处理要求。