循环控制

The topics covered include the basic concepts of information theory--entropy, mutual information, channel capacity, information rate, Shannon's noiseless coding theorem and Shannon's fundamental coding theorem; modeling of information sources--zero-memory and Markov models; modeling of information channels--BSC and BEC channels, additivity of information and cascaded channels; construction of compact source codes--Kraft inequality, compact codes, Huffman and LZW compression codes; and analysis and design of error-control channel codes--Hamming distance, binary linear codes and the parity-check matrix, Hamming codes, checksum codes, cyclic codes and the generator polynomial and CRC codes.

课程的内容包括：信息论的基本概念（熵、交互信息、信道容量、信息率、 Shannon无噪声编码定理和Shannon基本编码定理）、信源模型（无记忆模型和Markov模型）、信息信道模型（BSC 和 BEC模型、信息的可加性和级联信道），紧致信源编码设计（Kraft不等式，紧致编码，Huffman 和LZW压缩编码）以及差错控制信道码的设计与分析（海明距离，二元线性码，奇偶校验矩阵，海明码，校验和，循环码，生成多项式和CRC码）。

Cards can be orderly collected in some quantity by electronic card collator, and stably transported onto conveyor belt.

由电器控制的循环理牌器可将每付扑克牌或卡牌按一定的数量理顺整齐，并可靠地送至输送带上。

The series of ZNFM Full Automatic Lamianator is a compound device which uses the pre-pasted and no-glue film with papers,its head adopts Feida head automatic feeding system,the laminating steel rod using hot oil cycle heating system,the compound pressure adopts air pressure devices,the electrical control system uses PLC Programming controller,the cutting system equips with the cutting system of rotaty flying knife and uchigatana,the back equips with the automatic collecting system, it is space-saving and high degree of automatic,easy operation and high stable performance.

ZNFM全自动复膜机系列，用于预涂膜和无胶膜与纸张的复合设备，该复膜机头部采用飞达头自动输送纸系统，压合钢棍采用热油循环加温系统，复合的压力采用气压装置，电气系统采用PLC编程控制，分切系统配有打刀和旋转飞刀分切装置，复膜机后部配有自动收纸系统，整机占地面积小，自动化程度高，操作简便，稳定性高，是印刷及包装行业的首选设备，能为你在大量生产时可获得更好的经济效益。

The influences of heat exchanger and engine on system efficiency are distinguished. The thesis also analysis the efficiency of the compound cycle of liquid nitrogen engine operating on open Rankin cycle together with the liquid nitrogen refrigeration cycle and economy in detail.

首次采用变质量系统热力学原理探讨了通过对进气温度与缸内残余质量温度的控制有助于实现准等温膨胀的可行性；首次采用有限时间热力学对具有压降不可逆液氮发动机开式朗肯循环进行了工作过程分析，研究了漏气和压降对液氮发动机效率和功率的影响关系。

The study of the dynamic characteristics of gas and steam combined cycle is of significance for the safe and economic operation and control system design of the units.

研究燃气蒸汽联合循环的动态特性，对机组安全经济运行和控制系统的设计具有重要的意义。

Synthetic analysis of petroclastic rock in deep formation of Paleogene in Dongying sag show that acidic medium caused from organic-inorganic interactions and circulated convection current in abnormal high pressure formation are important factors influencing and controlling diagenesis.

对东营凹陷下第三系深部碎屑岩储层成岩作用的影响因素进行了研究，结果表明，有机无机化学反应提供的酸性水介质环境和异常压力带流体的循环热对流是影响和控制深部碎屑岩储层成岩作用的重要因素。

There is exchanging of CO2 between atmosphere and circulating cooling water.

在一个具体的循环冷却水系统中，冷却水的PH值常控制在一定的范围之内。

The result of the ecology survey shows that the water circulation between the algae pond and the culture pond can control the content of chlorophyll a and increase the dissolved oxygen in the culture pond. The growth rate of Corbicula fluminea cultured in the water saving system is faster than that cultured in the common system.

结果显示节水养蚬池，利用施肥产生藻水的肥水池配合养蚬的养殖池的部分水体循环交换，确实可以显著地达到控制水中叶绿素a含量与适当透明度、并有增加水中溶氧及促进池蚬的成长效果，若管理良好时并有促进水质特别是营养盐的净化作用。

Traditional cultural practices such as crop rotation, although useful, have limitations and are not fully effective.

传统文化的处理比如作物循环播种，虽然有用，但是在控制危害上是有限的，并不能起到全部的作用。

The computing methods in the project control cycle are analyzed in detail.

深入探讨了通用项目管理系统软件结构模型和工作流程，详细分析了项目控制循环中各阶段内容和计算方法

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。