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unknown quantity

英 [ˌʌnˈnəʊn ˈkwɒntəti]

美 [ˌʌnˈnoʊn ˈkwɑːntəti]

未知量;未知数

化学

英英释义

noun

  • a variable whose values are solutions of an equation
      Synonym:unknown
    1. a factor in a given situation whose bearing and importance is not apparent
      1. I don't know what the new man will d

    双语例句

    • An equation in which the highest power of an unknown quantity is a square.
      未知量的最高幂是平方的等式。
    • Inquiring Into Determining the Unit Price of Piece Rate Wage by the Regression Linear Equation With One Unknown Quantity
      运用一元线性回归方程制定计件工资单价的探讨
    • You must eliminate an unknown quantity.
      你必须消去一个未知数。
    • The paper mainly expounds the establishment of the linear regression equation with one unknown quantity, and discusses the influence factors for the regression of calibration curve, the ways of analysis interrelated with regression equation.
      文章主要阐述了一元线性回归方程的建立,影响校准曲线回归的因索以及如何应用回归方程进行相关分析。
    • The new teacher is still very much an unknown quantity but we have hopes that he will is a valuable member of our team.
      新教师是谁现在还难以预料,但我们希望他会成为我们队里的重要一员。
    • With the impact of large deformation consolidation, the fluctuate part of rigidity matrix was contained fundamental unknown quantity.
      受大变形的影响,在纽曼随机有限元求解过程中,刚度矩阵波动值也含有未知量增量的相关项。
    • Equations for the projections of various vectors onto the moving nxes and the unknown quantity and its projection in the moving coordinate system is found thereby.
      在此基础上,列出各矢量在动坐标轴上的投影方程,并求出未知量及未知量在动坐标系中的投影。
    • What we would find if we could fly to the moon is an unknown quantity.
      如果我们能飞到月球上去,在那里我们将会发现什么,这是很难以预料的。
    • His ability to make decisions in a crisis is an unknown quantity.
      他在危机中作决定的能力还是个未知数。
    • To her the outside world was a totally unknown quantity.
      对她来说,外部世界完全是个未知数。