词语屋>英语词典>unknown quantity翻译和用法

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。
    • He is an unknown quantity for his rivals.
      对于对手们而言,他是个未知数。
    • By the way, the unknown quantity of the integral equations arising in these problems is the equivalent density of current.
      在求解过程中所建立起来的积分方程均以等效电流为未知量。
    • 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。
    • As negotiating partners the Taliban are at best an unknown quantity.
      塔利班作为谈判伙伴充其量是一个未知数。
    • The new sale director is still a bit of an unknown quantity.
      新来的销售部主任大家还不大了解。
    • 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。
    • 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
    • If he was to quench his thirst for knowledge, he could do nothing other than explore the unknown quantity.
      他要满足求知欲没有别的办法,只能到自己陌生的领域中去探索。
    • The problem is that in both opposing Mr Obama and putting distance between himself and President Bush, Mr McCain became an unknown quantity and hence a risk.
      问题在于麦凯恩既要对抗奥巴马,又要与布什拉开距离,他因此成为了一个未知数,因而也是一个风险。