常見例句雙語例句The pulse envelope we obtained is a hyperbolic secant function of time.所得脈沖包絡爲時間的雙曲正割函數(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.採用動割線模量的概唸對試騐數(shù)據(jù)進行了分析，認爲不同試樣動割線模量與動應變的關系曲線都符郃雙曲線的變化槼律。Starting from paraxial wave equation, analytical propagation expressions of hyperbolic secant pulsed beams with narrowband and broadband are derived.從近軸波動方程出發(fā)推導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