an unknown quantity

To remove ( an unknown quantity) by combining equations.

消去通过等式合并消去（一个未知量）

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The new sales director is still a bit of an unknown quantity.

新来的销售部主任大家还不大了解.

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You must eliminate an unknown quantity.

你必须消去一个未知数.

《简明英汉词典》

Under the physical coordinate, the horizontal displacement is taken as an unknown quantity, and a nonlinear problem with big displacement of solid mechanics is introduced.

采用物质坐标，用水平位移作为基本未知量，成为固体力学的非线性大位移问题。

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Debrecen were an unknown quantity and they played very defensively, which is their right.

赛前谁都不知道德布莱森的实力,他们也踢的很有侵略性, 这是他们正确的选择.

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The vibration vectors from the capacitance transducers were analyzed, and the moment equation about the centrifuge rotor is created, in which the aerostatic bearing rigidity is an unknown quantity.

分析电容测微仪输出的振动矢量，建立以气体静压轴承刚度为未知量的离心机转子的力矩方程。

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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.

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The new teacher is still very much an unknown quantity but we have hopes that he will is a valuable member of our team.

新教师是谁现在还难以预料，但我们希望他会成为我们队里的重要一员。

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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。

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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。

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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.

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Garlic to me is an unknown quantity.

我从不吃大蒜.

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In algebra, the sign X usually denotes an unknown quantity.

在代数里, 符号X常用来表示未知数.

《简明英汉词典》

John is a possibility for the job, but he is still an unknown quantity.

约翰可能获得这工作但(能否获得)现在还是个未知数.

词典精选例句

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.

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I don't know what the new man will do; he's still an unknown quantity.

我不知道那个新来的会怎么做, 他的人怎样仍然是个未知数.

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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。

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He is an unknown quantity for his rivals.

对于对手们而言，他是个未知数。

柯林斯高阶英汉双解学习词典

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。

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We use x as the symbol for an unknown quantity.

我们用x表示一个未知数。

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Our new director is still an unknown quantity.

我们对新来的主管知之甚少.

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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。

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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。

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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。

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