查询词典 discrete

While integral view regards every interim as part of annual accounting period, an integral part of the entire accounting year, but not as discrete accounting period; accounting estimate, cost distribution and treatments of various deferrals and accrued items applied in interim financial report shall take into account cost and expenses to be incurred in the whole year, which shall be distributed to various interims based on annual estimated activity level.

国际会计准则和我国会计准则基本采用的是"独立观"。"一体观"是将每一中期视为年度会计期间的有机组成部分，是会计年度整体不可分割的一部分，而不是独立的会计期间，中期财务报告中应用的会计估计、成本分配、各递延和应计项目的处理必须考虑到全年将要发生的成本和费用，需要以年度预计活动水平为基础分配至各个中期。

The discrete variable action space enables the complex decision-making problem to fall into several simple and independent sub problems, and each of them can be resolved via existing theories.

离散变量动作空间能够将复杂的决策问题分解为多个独立的子问题，且每个子问题都有相应的理论来解决。

A preliminary description is put forward on the relationship between the dyadic additive group and discrete Walsh function.

本文也初步提出了有关并元加性群与离散Walsh函数之间的一些内在联系。

How to establish the adjoint medel is discussed by using the Gateaux differential of function and the concepts of the adjoint operators in Hibert space. At the same time it is verified that selecting proper finite difference scheme can ensure discrete form remaining the same adjoint r...

文中利用泛函的Gateaux微分和Hilbert空间上伴随算子的概念讨论了连续的伴随模型的建立，并通过选择适当的差分格式离散伴随模型，使其保持连续时的伴随关系，同时给出了水温初始场最优化过程及相应的同化试验数值结果。

Spectral methods and the classical Crank-Nicolson scheme are applied to deduce the full discrete system for the continuous model, then the variational adjoint assimilation approach is used to derive the gradient and the corresponding adjoint system.

从这个全离散问题出发，结合全局或局部已知的观测数据，分别构造梯度下降算法求解相应的最优化问题。我们分析了采用不同方法计算梯度所需的代价，另外，还给出一种选择最优迭代步长的算法。

Their influence on the efficiency of the adjoint method should be distinguished into the continuous and discrete model to be researched.

其对变分同化中伴随方法的有效性影响应分连续模型与离散模型两种情况研究。

In the thesis , firstly the problem of static output feedback H∞control was explored for discrete time singular systems. Based on the generalized Riccati inequality and linear matrix inequality, necessary and sufficient conditions were obtained for the existence of static output feedback H∞controllers, which guarantees that the resulting closed-loop system is admissible with its transfer function matrix satisfying H∞norm constraint.

本文首先利用线性矩阵不等式和广义Riccati不等式，给出离散广义系统中存在静态输出反馈H∞控制器，使得闭环系统是容许的且其传递函数矩阵满足H∞范数约束的充要条件。

The admissible input of 2-D linear discrete singular general model is discussed more deeply, some very effective new criteria for the 2-D singular general model to accept all the input sequence have been developed, and a new algorithm that determines the admissible input sequence of the 2-D singular systems has been proposed.

在线性广义2-D系统可解性方面，首先研究了线性广义2-D连续—离散系统的可解性问题，给出了可解的条件，并给出了等价的判别条件；其次深入研究了线性广义2-D离散系统的允许输入序列问题，给出了系统接受所在区域上的所有输入的新的非常有效的判别方法以及确定系统允许输入序列的新的方法。

A mathematical relation model between liquor near infrared spectrum and liquor alcoholicity was established by use of the combination of discrete cosine transformation and BP neural networks, which was a new approach for rapid liquor alcoholicity determination.

采用近红外光谱的离散余弦变换和BP神经网络相结合，建立了白酒近红外光谱与其酒精度之间的数学关系模型，为快速检测白酒的酒精度提供了一种新的方法。

Governing equation discrete, solving of the conjugated algebraic equation set and SIMPLE method are also discussed in this paper.

同时对方程离散、方程组的耦联求解及SIMPLE算法等数值计算以及湍流及其模型等问题进行了论述。

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。