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 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。 - 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。 - Equations for the projections of various vectors onto the moving nxes and the unknown quantity and its projection in the moving coordinate system is found thereby.
在此基础上，列出各矢量在动坐标轴上的投影方程，并求出未知量及未知量在动坐标系中的投影。 - 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。 - This way, the problem in a finite element analysis, the unknown field function or its derivative values in each node becomes a new unknown quantity ( that is, degrees of freedom).
这样一来，在一个问题的有限元分析中，未知场函数或其导数在各个结点的数值就成为新的未知量（亦即自由度）。 - Inquiring Into Determining the Unit Price of Piece Rate Wage by the Regression Linear Equation With One Unknown Quantity
运用一元线性回归方程制定计件工资单价的探讨 - 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。 - To remove ( an unknown quantity) by combining equations.
消去通过等式合并消去（一个未知量） - 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。