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 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。 - 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）。 - We use x as the symbol for an unknown quantity.
我们用x表示一个未知数。 - 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。 - 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。 - Based on the ideal forming theory, the triangle membrane cell is adopted and the deforming relations are analyzed. Equations are established with the nodal co-ordination in initial configuration as fundamental unknown quantity.
基于理想形变理论，采用三角形膜单元，分析了单元变形关系，建立了以初始构形上的节点坐标为基本未知量的反向有限元模型。 - 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。 - 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。 - 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。 - 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。