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Climate change is not amenable to an elegant solution because it is not a discrete problem .

气候变化经不起高雅解决方案的检验，因为这不是一个孤立的问题。

The construction of the synopsis is based on Discrete Wavelet Transform and utilizes the amnesic feature of data stream.

利用数据流的遗忘特性，应用离散小波变换，分层、动态地维护每个数据流的概要结构。

The data are discrete electrical pulses. The wave is an analog representing the data.

数据是离散的电脉冲，波是表示数据的一个模拟量。

Based on limit balance methodthree dimensional finite element method and discrete element method,computer analogue and calculations analysis are carried out for the K83+480～800 road segment of Songming～Daipu highway.

利用极限平衡法、三维有限元法和离散元法对嵩明-待朴高速公路K83+480～800路段边坡稳定性进行了计算机模拟及计算分析。

Application of discrete-ordinate method in calculation of light angular distribution in biological tissue［J］.

离散坐标法在计算生物组织内光场空间角分布中的应用［J］。

In discrete-time linear system, apriori H〓 filtering, aposteriori H〓 filtering, L〓 apriori filtering with an H〓 error bound, L〓 aposteriori filtering with an H〓 error bound, robust H〓 apriori filtering, robust apriori L〓 filtering, and robust aposteriori L〓 filtering to noise inputting matrix uncertainty system are considered.

对离散线性系统，研究了确定性系统的H〓验前滤波和验后滤波、H〓约束下的L〓验前滤波及验后滤波、不确定性系统的H〓验前滤波、鲁棒L〓验前滤波及噪声输入矩阵不确定性情况下的鲁棒L〓验后滤波。

The apriori and aposteriori H〓-optimal filtering question can be solved directly. L〓 Apriori and aposteriori filtering with an H〓 error bound can be solved by semidefinite programming. Robust H〓 apriori filtering and robust apriori L〓 filtering in discrete-time system are subject to a nonconvex constraint.

对这些滤波问题解法的改进同连续系统下的情况基本类似，对确定性系统的H〓验前滤波和验后滤波，本文解法可直接得出最优滤波问题的解；对H〓约束下的L〓验前滤波及验后滤波，其解可归结为一凸优化问题；但不确定性系统H〓验前滤波和鲁棒L〓验前滤波的LMI解法中有了非凸约束，因此要用迭代法求解。

Variable structure control of discrete-time systems and its applications in power electronic apparatus are discussed in this paper.

本文探讨了离散系统的变结构控制及其在电力电子装置中的应用。

The main idea of the finite difference method is as follows: We consider the discrete difference equation with the finite alphas as approximate substitution for the differential equation with the continuous variant and boundary conditions.

有限差分方法的基本思想是用离散的，只含有有限个未知数的差分方程去近似代替连续变量的微分方程及边界条件，并把相应的差分方程解作为微分方程的近似解。

However, if from the engineering point of view, has a brand new solution, that is, the approximate solution of discrete solutions.

但如果从工程的角度考虑，有一个全新的解决之道，即离散近似解的解决。

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。