n. 1.海维赛德〔姓氏〕。 2.Oliver Heaviside 奥列佛赫维赛〔1850-1925，英国物理学家〕。
例句与用法
1.
If you are ambitious, try this alternative procedure: note that f'(x)involves the heaviside stepfunction . 如果你有雄心的话，可以用另外步骤试之：注意f’（X）包含亥维塞阶梯函数。
2.
Heaviside ' s dolphin 希维斯特海豚
3.
If you are ambitious , try this alternative procedure : note that f ' ( x ) involves the heaviside stepfunction 如果你有雄心的话，可以用另外步骤试之：注意f ’ （ x ）包含亥维塞阶梯函数。
4.
This paper focuses on the problem of semi - infinite elastic body filled with the material which behaves differently in tension and compression . the contents include : ( 1 ) the solution of elasticity theory for the material incapable in tension is established by introducing heaviside function ; ( 2 ) the solution of elasticity theory with different modulus in tension and compression is established based on the solution of elasticity theory for the material incapable in tension and mindlin ' s solution ; ( 3 ) the solution of elasticity theory with different modulus in tension and compression is employed to analyze the stress of pile foundation ; ( 4 ) the solution of elasticity theory with different modulus in tension and compression is employed to analyze the settlement of pile foundation 本文考虑材料的拉压性能不同的特点，对半无限空间内部作用竖向集中力问题进行了新的研究，做了如下工作： ( 1 )引入heaviside函数，建立了不能承受拉应力材料的弹性理论解； ( 2 )基于不能承受拉应力材料的弹性理论解和mindlin解，建立了拉压模量不同材料的弹性理论解； ( 3 )将拉压模量不同材料的弹性理论解应用于桩基应力分析； ( 4 )将拉压模量不同材料的弹性理论解应用于桩基沉降分析。
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