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In this paper, a mathematical description of mutation operator and a concept of mutation function for the study of evolutionary programming and evolution strategies are proposed, and several methods and examples of constructing mutation operator with uniformly distributed random variables are presented.

进化算法是研究全局优化算法中最重要的随机算法之一，本文给出了进化规划和进化策略的变异算子的数学描述，并提出变异函数的概念，在此基础上，给出了用均匀分布的随机数构造变异算子的几种方法和若干例子。

He hopes to select certain significant pictures from the host of random images and assemble them to form a descriptive body.

再从这随机繁乱的影像中拣选出具有意识的局部，组合成另一个叙述体。

A short list of features include: Multiple user account capability, Drag and drop operation for insertion of user name and password, Printing function for hard copy of passwords, Password protected database functionality, Internal security features to help maintain privacy from "over the shoulder" intrusion using our -Hide/Show password function, Descriptive titles allowing the same username to be used repeatedly, Configurable random password generation, Memo section for noting important info about password, like inception date, expiration date or special site instructions, Method of storing and launching relative URL information for quick access to the web site the particular password might pertain, Ability to disable Splash screen after registration, Configurable timeout function for unattended program lock-up, Ability to copy username and password to clipboard without entering that particular record, Ability to clear clipboard from within program and upon program exit, Full program help files.

短名单的功能包括：多用户帐户的能力，拖放操作插入的用户名和密码，打印功能，为的硬拷贝密码，密码保护数据库的功能，内部的安全功能，以协助维持隐私，从"肩膀"入侵使用我们的-hide/show密码功能，描述性的标题，让相同的用户名被反复使用，可配置的随机密码的一代，备忘录节注意到重要的信息密码，如成立日期，到期日或特别的指示，网站的方法，储存和开展相对网址的资料，以便快速存取该网站的特定密码，可能涉及，有能力，要禁用初始屏幕上注册后，可配置的超时功能，为无人值守程序锁起来，有能力复制的用户名和密码到剪贴板没有进入特定的纪录，能力要清除剪贴板从内部程序后，程序退出，全面计划，帮助文件。

However, the Deserializer can lock to random data, which is discussed in the next section.

然而，解串器可以锁定随机数据，这在下一节讨论。

Many investigations show that randomicity of structures?parameter will bring large value of stochastic dynamic response of structures. Randomicity of structures?mechanics parameter may be dominant factors. Therefore, introduction of randomicity into system model of structure and using random system model are more reasonable than that of determinate system model. The work in this dissertation mainly consists of two parts.

众多的研究工作表明，结构参数的随机变异性可以引起结构随机动力响应的大幅度涨落，结构力学参数的随机性还可能成为主导因素，在结构系统模型中引入随机性的概念，采用随机结构系统模型是较确定性结构系统模型更为合理的一种选择。

Many investigations show that randomicity of structures'parameter will bring large value of stochastic dynamic response of structures. Randomicity of structures'mechanics parameter may be dominant factors. Therefore, introduction of randomicity into system model of structure and using random system model are more reasonable than that of determinate system model.

众多的研究工作表明，结构参数的随机变异性可以引起结构随机动力响应的大幅度涨落，结构力学参数的随机性还可能成为主导因素，在结构系统模型中引入随机性的概念，采用随机结构系统模型是较确定性结构系统模型更为合理的一种选择。

In the same condition, there is great difference between response of random structure and that of determinate structure.

随机和确定结构计算的结果表明，当考虑参数随机时，位移响应将发生变化，有必要考虑随机的情况。

Chaos is a kind of complicated and random phenomenon that is determined wholly by deterministic nonlinear system.

混沌是指在确定的非线性系统中出现的一种非常复杂的随机现象。

A eugenic evolution strategy genetic algorithm,which integrates random evolution operation and deterministic optimization operation,is adopted in this paper to realize global optimization in high efficiency.

采用优进遗传算法，将确定性与随机性寻优操作相融合，实现了高效全局搜优，它所基于的优进策略包括设计Powell寻优算子、改进交叉算子、自适应地调整交叉率和变异率等。

Chaos is the deterministic, random-like process appeared in nonlinear dynamical system.

混沌是在非线性系统中出现的确定性的类随机过程。

The studies on the developing of new media are very important to the increasing of the area density of HDD and to the implementation of hybrid recoding technology.

光磁混合记录方法，是一种可以突破超顺磁极限的限制，并进一步提高硬盘记录密度和读写速率的一种新型超高密度信息存储方式。

In io, mTOR inhibition promotes T cell anergy under conditions that would normally induce priming.

体内研究中，在正常可激发免疫反应的条件下，抑制mTOR可促使T细胞无能。