查询词典 backward difference

Stochastic control system ; limited control ; exact controllability ; backward stochastic differential equation

本文组织如下，第二节引入主要定义，介绍倒向随机微分方程及彭有关随机精确能控性

There was one time when the whole nation has an upsurge of learning computer skills. Our factory also managed to give some lessons. Things like hard drive, RAM, keyboard, none of them I could understand. I didn't really mean to learn. In a small backward city like ours, the factory business is not promising. The salary of my wife and I put together can barely maintain the everyday life. Computer is an extravagancy that was too remote for us. I once believed that's something I could never afford to buy (about 10, 000 RMB for each at that time). Even if I could afford one, I was interested in it.

曾几何时，神州大地掀起了一股学习计算机的热潮，公司也组织过学习班，什么硬盘，内存，键盘我一个词也听不懂，我也没想学，在我们这样落后的小城，工厂也不景气，俩个人的工资只够维持日常生活，计算机是离我们很遥远的东西，我认为这辈子也不可能买的起，就是买的起我也没想过要那玩艺，呵呵。

In the second part of the paper, the technology parameters of backward extrusion parts are optimized.

其次，论文对反挤压零件的工艺参数进行了优化。

Based on factorization method the network topology of radial power network and the topology of factor graph are analyzed and it is proved that they two topologies are the same, on this basis a Newton power flow algorithm that possesses similar program to branch-oriented forward/backward sweep algorithm is developed.

基于图上因子分解法对辐射状电网的网络拓扑和因子图的拓扑进行了分析，证明2者是相同的，在此基础上开发了与面向支路的前代、回推法具有相似程序实现形式的牛顿潮流算法。

In this paper, we study structure-preserving algorithms for some doubly structured matrices and structured backward errors by Van Loans squared reduced method, quasi-QR factorization and Wielandt-Hoffman theorem.

本文利用Van Loan的平方约化方法，拟QR分解，Wielandt-Hoffman定理等对一些双结构矩阵特征值算法和结构向后误差进行了研究。

Objective:To discuss operational methods and clinical effect of fascia flap of backward sural nerve nutrition vessel.

目的：探讨逆行腓肠神经营养血管筋膜皮瓣的手术方法和临床应用效果。

New English research found another way to spot holes in a story: Ask the suspected fibber to recite his story backward--in reverse chronological order. You'll also discover contradictions in his behavior and speech.

新英国研究发现另一种办法来认定一篇说辞中的漏洞：请那个嫌疑撒谎者将他的故事以逆时间顺序倒述一遍，你会发现在他的行为和言辞间的一些矛盾之处。

Moreover, the informations of forwad and backward SHG ratio provide information of the fibril diameter.

此外，前向对后向的二倍频比值更可以得到胶原蛋白纤维直径的资讯。

Tibet was a backward fiefdom of superstition and exploitation.

西藏是迷信落后和剥削的领地。

Tibet was a backward fiefdom of superstition and exploitation .

顶北朝鲜的网友和楼主，感谢楼主无私奉献。

He has to relate with three women in the movie, and yet remain implicitly faithful to the unseen Lucinda.

让克劳德布里亚里成功地饰演试验了一个难度很大的角色：和三个女人打交道，但还要底下对观众未曾谋面的卢馨达保持忠诚。

The experiment was conducted to study effects of inulin on the growth performance, indices of immune organs and serum immunoglobulin of laying chicklings as well as the performance of inulin which replaced the antibiotics in diets by adding 0.2%, 0.4% and 0.8% of inulin, respectively.

试验旨在通过在蛋用雏鸡日粮中添加0.2%、0.4%和0.8%的菊粉，研究菊粉对蛋雏鸡生长性能、免疫器官指数和血清免疫球蛋白的影响，以及菊粉替代抗生素对蛋雏鸡的应用效果。