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
- 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。 - We use x as the symbol for an unknown quantity.
我们用x表示一个未知数。 - 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 remove ( an unknown quantity) by combining equations.
消去通过等式合并消去（一个未知量） - 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 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。 - 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 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。 - 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。 - 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。