字典二二>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

    • 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。
    • 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。
    • 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。
    • 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。
    • 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。
    • 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。
    • 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。
    • 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。
    • He is an unknown quantity for his rivals.
      对于对手们而言,他是个未知数。