火范文>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

    • 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。
    • In algebra, the sign x usually denote an unknown quantity.
      在代数中,x符号通常代表一未知的量。
    • Because of the introduction of the unknown quantity of high, many problems generate, such as ranging-error larger, unknown location information increased. The problems result in poor stability of equation-solving, low positioning-accuracy and serious error accumulation.
      由于引入了高度坐标的未知量,产生的测距误差影响变大、未知位置信息增多等问题造成方程求解的稳定性较差、定位精度不高、误差累积严重。
    • 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 computing efficiency is excellent with BEM since the elements are divided only on the boundaries and the number of freedom is reduced greatly through translating the inner unknown quantity to the boundary with basic solution.
      由于边界单元法只在边界上剖分单元,通过基本解把域内未知量化为边界未知量求解,自由度数目大大减少,计算效率较高。
    • 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。
    • 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。
    • 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。
    • He is an unknown quantity for his rivals.
      对于对手们而言,他是个未知数。
    • John is a possibility for the job, but he is still an unknown quantity.
      约翰可能获得这工作但现在还是个未知数。