unknown quantity
英 [ˌʌnˈnəʊn ˈkwɒntəti]
美 [ˌʌnˈnoʊn ˈkwɑːntəti]
未知量;未知数
英英释义
noun
- a variable whose values are solutions of an equation
- a factor in a given situation whose bearing and importance is not apparent
- 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。 - 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。 - As a teacher, he's still an unknown quantity.
作为一名老师，人们还不知道他是什么样。 - He is an unknown quantity for his rivals.
对于对手们而言，他是个未知数。 - 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。 - 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。 - 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。 - 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。 - You must eliminate an unknown quantity.
你必须消去一个未知数。 - 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。