找词语>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

    • Phrases like "a number" or "the number" tell us our expression has an unknown quantity, called a variable.
      像一个数或这个数之类的短语,告诉我们表达式中含有一个未知量,称之为变量。
    • 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。
    • 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。
    • 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
    • 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。
    • 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。
    • Woman, even more than the working class, is the great unknown quantity of the race.
      妇女比工人阶级蕴藏着更多的未知数。
    • 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。
    • Youth is the smile of the future in the presence of an unknown quantity, which is itself.
      青春就是未来在向一个陌生人微笑,而这陌生人就是自己。
    • 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。