a straight line that intersects a curve at two or more points
ratio of the hypotenuse to the adjacent side of a right-angled triangle
造句
用作名詞(n.)
A new damping estimation method, the secant line method, was presented, that is based on the distance of neighbor peaks and valley of oscillation. 摘要提出利用相鄰波峰和波谷之間距離估計阻尼比的割線方法。