常見(jiàn)例句雙語(yǔ)例句The pulse envelope we obtained is a hyperbolic secant function of time.所得脈沖包絡(luò)為時(shí)間的雙曲正割函數(shù)。The dynamic secant elastic modulus is introduced to analyze the test data, and the results indicate that the dynamic secant elastic modulus-strain curves of all test models are hyperbolic type.采用動(dòng)割線模量的概念對(duì)試驗(yàn)數(shù)據(jù)進(jìn)行了分析，認(rèn)為不同試樣動(dòng)割線模量與動(dòng)應(yīng)變的關(guān)系曲線都符合雙曲線的變化規(guī)律。Starting from paraxial wave equation, analytical propagation expressions of hyperbolic secant pulsed beams with narrowband and broadband are derived.從近軸波動(dòng)方程出發(fā)推導(dǎo)了窄帶和寬帶雙曲正割脈沖光束的解析傳輸公式。 返回 hyperbolic secant