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
- To remove ( an unknown quantity) by combining equations.
消去通过等式合并消去（一个未知量） - By means of regression equation with one unknown quantity for leaf area of Biota orientalis, ecological and economical benefits of this tree species were quantitatively obtained.
通过求出侧柏叶面积的一元回归模型，定量说明济南近郊山体侧柏树的生态效益、经济效益。 - 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 - 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。 - 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。 - 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。 - 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。 - 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 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。 - 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。