“tractrix”的概念、定义、翻译、参考文献-科学参考

单词	tractrix
释义	tractrix Mathematics If a massive particle is placed at (0,1) and pulled on an inelastic unit-length string by someone walking from the origin along the x-axis, then the curve traced out by the particle is called the tractrix. The tractrix can be parameterized as $x = t - tanh t, y = sech t, (t \geq 0) .$ The surface of revolution formed by rotating the tractrix about the x-axis is called the tractoid. It has constant Gaussian curvature –1.
随便看	internet café Internet chat Internet Control Message Protocol Internet copyright Internet Corporation for Assigned Names and Numbers Internet crime Internet Domain Name System Internet Engineering Steering Group Internet Engineering Task Force Internet Explorer Internet forum Internet game Internet Message Access Protocol Internet of things Internet Open Trading Protocol Internet organizations Internet piracy Internet pornography Internet Protocol internet protocol Internet Protocol Address Internet Protocol next generation Internet Protocol Security Internet Protocol Version 6 Internet radio station

科学参考收录了60776条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。