随机

Each subscriber Digital Video Home Terminal receives the randomized back-off array for controlling through an algorithm when a Digital Video Home Terminal attempts to send a message to a cable headend.

每一用户的终端机可接收「随机退让阵列」，当用户尝试利用终端机传送一个讯息给予有线电视电台端时，可利用「随机退让阵列」加以控制。

In epitaxial growth, the particle aggrades into substrate with a average rate.

在外延生长中，可以认为生长单元是以平均频率随机地沉积到基底表面上，生长单元在基底上的扩散也具有随机特征。

Based on equivalent analysis theory, a practical performance of workflow system is simplified and analogized by four basic modules of random Petri net, and some functional parameters are obtained.

文中选用了基于随机Petri网的工作流系统模型性能等价分析理论，针对一个具体的流程实例，利用随机Petri网的四种基本模型对此流程进行了逐步地化简和分析，最后得到了一些性能指标参数。

Among them, one of the most promising seems to be Simulation Annealing that aims to reach the optimization of an objective function by physically analogizing to an annealing process of malerial at high temperature. This involves in a transformation of optimization of a function in continuous domain into a combinatorial optimization in discrete domain, as well as the proper choice of various control parameters such as temperature, iterative number etc.

为此，目前主要采用三种基于随机搜索策略的鲁棒技术，其中模拟退火算法是最有希望的一种，该算法的核心思想是随机模拟物理上的物质退火过程，它主要涉及将连续域优化问题转换为离散的组合优化问题，以及合理地选择各种控制参数、迭代时间等。

In the later half of the article, we adopt random analysis method to make preliminary study to the backfilled foundation and then analysis random influence factors that effect the settlement degree of gantry crane foundation. We used JC method to study the reliability of the settlement and Non-Uniform settlement degree of gantry crane foundation based on factors which influence the last settlement degree of railway foundation, and the same time, we utilized backfill construction parameter and the actual statistics data of earth backfilled on site.

本文后半部分，应用随机分析方法对该回填基础进行了初步的研究，分析了影响高架门机基础沉降量的随机影响因素，确定了沉降分析的计算模型，结合影响轨道基础最终沉降量的多种因素，利用施工现场实测回填土土性数值和回填施工参数，对高架门机基础沉降量和不均匀沉降进行了可靠性评价。

These Lorenz systems are built, which are relevant and can be switched each other via the choicer. Chaotic synchronization of these systems is realized using same nonlinear feedback control method. The transmitter can be switched discretionarily among several chaotic systems, bring on ceaseless changing of the chaotic carriers in transport channel. In the receiver, the chaotic carriers are retrieved from the received signals, then the information signals are recovered.

构建了有一定关联的两个Lorenz混沌系统，并通过选择器在系统间随机切换；用同一种控制方法既能实现不同Lorenz系统的混沌同步，又能实现相同Lorenz系统的混沌同步；发送系统可以在Lorenz混沌系统间随机转换，传输信道中混沌调制信号也随之不断变化；接收系统将混沌调制信号解调后，即可获取有用信号。

In the first part of the thesis, according to signal detection requirement, we studied the relationship among bistable SR system, signal, noise based on colligating previous study results about SR by other researchers.

论文的第一部分综合了前人对随机共振研究的基础上，根据信号测量要求，系统地研究了双稳随机共振系统与信号、噪声之间的关系。

The user ID is a 128 bit (16 byte) GUID created by concatenating random numbers, the 6th and 15th bytes are not randomly enerated, their values are 14 and 111 respectively.

用户ID是一个128位的GUID，通过连接随机生成的数字生成，但第6字节和第15字节不是随机生成的，它们的值分别是14和111。

Methods:One hundred and six disarticulated human verebrae(C3～C7)were evaluated with computed tomography to determine vertebral bone mineral density.Pedicle screws and lateral mass screws were inserted to the left and right at random.Screws were loaded either axially strictly longitudinal to failure or in a coronal plane strictly perpendicular to the logitudinal axis,the strengths and displacements were recorded.

方法解离C3～C7骨块120个随机分为两组，测量每个椎体骨的松质骨密度，同一节段椎体随机配对置入椎弓根和侧块螺钉，在位移控制下分别测量位移控制下的平均最大拔出阻力和压力控制下的切向弹性与永久位移。

As to the excavation of the slope, if there are not the cases such as particular direction conformation weak side, rock crack generate randomly or slope of open-pit mine of soft rock effloresced notably, and the slope being stable, but adjacent industry and civilian construction suffering obviously form the impairing of excavation even destroyed, It is of the same importance for engineering to study the movement and deformation law influenced by the pit excavation with stochastic medium theory.

对于边坡工程开挖而言，若不存在控制边坡滑动的定向构造弱面、岩石随机裂隙发育或风化显著的某些软岩露天矿山边坡，以及边坡稳定，但邻近的工业建筑与民用建筑受到显著开采损害，甚至破坏的情况，用随机介质理论研究边坡体在开挖影响下的移动与变形规律对工程与生产同样具有重要意义。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。