能够在运行时传递查询是某些动态情形(如未知条件)所必需的。
The ability to pass in queries at run time is necessary for some dynamic cases, such as unknown conditions.
本文运用复合反演的观点研究结构参数未知条件下的地震动反演问题。
By introducing composite inversion ideas, the problem of ground motion inversion is studied in this paper.
提出了一种基岩输入运动未知条件下的层状地基参数的时域识别方法。
The paper presents a foundation parameters identification method under the condition of unknown motion input from the base rock.
为解决聚类数未知条件下面状地理实体的聚类问题，文中提出了一种基于聚类有效性函数的聚类方法。
A cluster validity function-based method is proposed for solving the problem of clustering for area geographical entities when the number of cluster is unknown.
颜色在自然界的一些用途仍然未知，但有一件事是肯定的，颜色不仅使我们的星球变得美丽，也是我们的星球得以生存的必要条件。
Some uses of color in nature remain unknown, but one thing is for sure, color not only makes our planet beautiful but it is also necessary for our planet to live on.
在他们的演讲中，我发现他们都充分利用了现在的时间和条件来为未来做准备，用已知的因素来挑战未知的因素。
In their speech, I found all of them had made full use of the present time and conditions to prepare for the future and used the known factors to challenge the unknown ones.
静态错误条件中包括未知的XSLT元素、属性和函数。
Included among the static error conditions are unknown XSLT elements, attributes, and functions.
我加上这个条件后,我马上面临一个问题了,这就是现在是一个非约束性问题了,我的未知数比方程数多,你从代数中可以知道。
I want to show you how easy it is to change the code. But, notice, once I've added this I actually have a problem. This is now an under-constrained problem. I have more unknowns than I have equations.
但这并不意味着那些条件将是未知的或不可预知的。
But that doesn't mean those conditions will be unknown or unexpected.
未来是什么，永远是个未知数。不过我要通过有限条件尽量缩小无限解的个数。
The future is always unknown. However, I will try to minimize the infinite solutions by finite conditions.
根据界面处位移与应力的连续条件，确定了未知弹性波模式系数。
The unknown mode coefficients of elastic waves are determined by means of the continuous conditions of displacement and stress on the boundary of the interfaces.
方程又称为条件等式，因为其中的未知量通常只允许取某些特定的值。
Equipment is called an equation of condition in that it is true only for certain values of unknown quantities in it.
对这类模型的统计建模，人们既关心回归系数的估计，更关心误差条件方差结构中未知参数的估计。
For this kind of modeling, people care for not only the estimation of regressive coefficient but also the estimation of unknown parameters in conditional skedasticity.
研究具有已知动态特性但未知初始条件的持续外界扰动作用下线性系统的前馈-反馈最优控制问题。
We consider an optimal control problem linear systems affected by external persistent disturbances with known dynamic characteristics but unknown initial conditions.
在海量信息及动态、实时的条件下，未知词语往往提供着非常重要的信息。
Under the condition of a great of information, the dynamic and the real time, unknown words sometimes offer very important information.
研究含有广义未知输入的线性系统降价观测器存在条件。
The condition of existence of a reduced order observer for linear systems with generalized unknown inputs is studied.
提出了扩展短期负荷预测的原理，即在已知当日部分负荷的条件下，引入最新获得的负荷相关信息，预测当日未知的多点负荷。
The principle of extension short-time load forecast was put forward, that is forecasting unknown load point by adding information of new load point to the point, the load was known.
在未知阵列响应矢量的条件下，利用信号的多普勒信息，估计出期望信号的波达方向。
The Doppler frequency of signals was used to estimate the direction of arrival (DOA) of desired signal with unknown array response vector.
讨论了存在未知扰动情况下，广义双线性系统全阶状态观测器的存在条件及其设计方法。
This paper addresses the conditions of the existence of a full-order state observer for singular bilinear systems subjected to unmeasurable disturbances.
该方案对参数未知且时变系统，能确保系统始终处在滑模运动可达且存在的条件下稳定运行，具有更强的鲁棒性。
Theoretical analysis and simulation results have shown that the scheme enables the system to be always in the conditions of sliding mode existence and has a good stability and strong robustness.
提出了一种在未知信号频率条件下的FSK信号数字化解调方法。
A digital demodulation method of the FSK Signal is presented when its frequency parameters are unknown.
弹性的工作条件在已开发国家日益受到欢迎，但其对雇员的健康与福祉有何影响则大多未知。
Flexible working conditions are increasingly popular in developed countries but the effects on employee health and wellbeing are largely unknown.
未知存在于已知之中，已知又是揭开未知之迷的条件。
The unknown lies in the known which conditions the discovery of the unknown.
基于互耦矩阵的特殊结构，给出了一种更具一般性的非均匀圆阵模型，提出了一种在未知互耦条件下的非均匀圆阵波达方向估计算法。
Based on the special structure of coupling matrix, a direction of arrival (DOA) estimation algorithm in the presence of unknown mutual coupling for the nonuniform circular array (NUCA) is presented.
未知的筒底应力边界条件，通过迭代法确定，建立了无底筒仓内填抖压力的一种计算方法，并与模型试验结果进行了比较。
The unknown bottom, stress boundary condition can be determined by the iterative formulae given herein. The approach is verified through model experimental data.
利用多体系统增广特征矢量的正交性条件，可建立以系统物理参数为未知数的代数方程组。
By using the orthogonality condition of augmented eigenvector of multibody system, the algebraic equation group with unknowns of structure parameter is formed.
利用土体与衬砌结构之间的连续性条件和衬砌结构内边界上的边界条件，确定表达式的未知系数。
By utilizing the inner boundary condition of the lining structure and the continuity conditions between the soil and the lining, the unknown coefficients in the expressions are determined.
为受影响的与已知动态特性但未知初始条件的外部持续扰动的线性离散系统的最优控制问题进行了研究。
Optimal control problem is studied for linear discrete systems affected by external persistent disturbances with known dynamic characteristics but unknown initial conditions.
为受影响的与已知动态特性但未知初始条件的外部持续扰动的线性离散系统的最优控制问题进行了研究。
Optimal control problem is studied for linear discrete systems affected by external persistent disturbances with known dynamic characteristics but unknown initial conditions.
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