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characteristic of logarithm中文是什么意思

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用"characteristic of logarithm"造句"characteristic of logarithm"怎么读"characteristic of logarithm" in a sentence

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  • 对数的首数
  • 首数

例句与用法

  • Characteristic of logarithm
    对数的首数
  • The basic principal and general structure of dry gas seal are introduced briefly , and aiming at the characteristics of logarithm spiral curve , the calculation of the pressure to the spiral groove end surface by the theory of narrow groove are given . the method of narrow groove theory and finite element method are utilized to optimize the end surface structure of the spiral groove dry gas seal . the structure of the seal is confirmed on the base of the result
    简要介绍了干气密封的基本原理和一般结构,同时针对对数螺旋线形的特点,介绍了窄槽理论对螺旋槽端面的压力分布计算,利用窄槽理论和有限元方法对螺旋槽干气密封端面结构进行了优化,并得出了优化结果,根据这一结果,确定了具体的密封结构。
用"characteristic of logarithm"造句  

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