未知数

The so-called indeterminate equation is the solution in the range of integers, positive integers, rational numbers or integers of the equation or algebraic equations, whose unknowns are usually more than the number of equations ...

所谓不定方程是指解的范围为整数、正整数、有理数或代数整数的方程或方程组，其未知数的个数通常多于方程的。。。

To sufficiently exploit subsurface geologic distribution features to decrease the number of inverse unknowns, this paper introduces the regularblockymodel method into the inversion.

为了利用地下地质体的分布规律，减少反演所求的未知数个数，本文又提出了规则地质块体建模方法引入到反演中来。

And now there is uncertainty over the interest deductibility on my jumbo mortgage.

而现在我那笔庞大的抵押贷款的利息还能不能抵税也成了未知数。

In this paper, the analytical formulations for every reflection point's Z coordinate are deduced by using Fermat's principle and law of reflection in the system of cylinder and cone.

以圆柱和圆锥二阶系统的反射寻迹为例，结合费马原理和反射定律，推导出各反射点Z坐标的解析表达式，从而减少了寻迹方程中未知数个数，使计算时间显著缩短，也提高了结果精度，文中给出了应用实例。

As to long-dated effect it is unknown more.

至于远期效应更是未知数。

So it's unclear what a rising renminbi would mean for food price inflation in particular.

因此，即便人民币对其他货币全面升值，食品价格受到的影响也还是未知数。

But the effect of the soluble proteins on the changes of the architecture of the preformed mollusk shells is still unknown.

但可溶性蛋白对已形成的软体动物贝壳微观结构可能产生的影响，仍然是未知数。

I offer to thee, Great spirit of the Unknown, this night of my body and soul, on condition that thou grantest me, from this night to the hour of my death, the power of metamorphosing, nocturnally, into a wolf.

我为thee、未知数的巨大精神，我的身体和灵魂这夜整个提供，在thou grantest我，从这夜到小时我的死亡，变形的力量，夜，入狼前提下。

According to the superposition principle of electric circuits, the post-fault power network is equivalent to the superposition of network in normal state and that composed by fault components; then taking single-phase system for example, the fault distance and asynchronous time are taken as unknown numbers and the fault location equations for normal voltage and current phasors as well as fault components are established; and then the analytical expression for fault distance is deduced, in addition the recognition method of false root is given.

该算法根据电路叠加原理，将故障后的网络等效为正常状态网络和故障分量网络的叠加，然后以单相系统为例，以故障距离和非同步时间作为未知数，对正常电流电压相量和故障分量分别建立测距方程组，推导出故障距离的解析表达式，并给出了伪根的识别方法。

Calculate way 1: Inside it the parameters number have already known, the unknown X of the square equations , can pass to push the estimate of with following calculate way: Among them α=0.95 ～ 0.99 for forgetting the factor, mean the oushifan number, block diag to mean to divide an opposite angles matrix .

算法1：当中参数已知时，方程的未知数X，可用如下算法递推估计：其中α=0.95～0.99为遗忘因子，表示欧氏范数，block diag 表示分块对角阵。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。