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Adaptive Modulation and Coding and Hybrid Automatic Repeat reQuest are two main link adaptation techniques. Along with the higher demands of data rate and quality of service, the system performance can be well improved by employing AMC and HARQ.

链路自适应技术能有效地提高数据传输速率和频谱利用率，是目前和未来移动通信系统的关键技术之一，自适应调制编码AMC和混合自动请求重传HARQ是其中两种主要的链路自适应技术。

The scheme is scheduled through combining multi-level adaptive modulation and coding with hybrid automatic repeat request protocol.

该方案利用自适应编码调制技术和混合自动重传技术交互协作，使发射端可以根据反馈的延时信息自适应调节调制模式，选择发射权以及自动重传数据。

The High Speed Uplink Packet Access technology includes Adaptive Modulation and Coding, Hybrid Automatic Repeat Request, and Node B fast scheduling. It also solves the problem of sharing the uplink channel resources for User Equipment.

为了改善上行性能，高速上行分组接入主要考虑的技术包括自适应调制编码、混合自动重传、节点B快速调度，以及用户终端如何共享上行信道资源，同时包括增加增强的媒体访问控制实体，对协议进行增强和优化。

The High Speed Uplink Packet Access technology includes Adaptive Modulation and Coding, Hybrid Automatic Repeat Request, and Node B fast scheduling. It also solves the problem of sharing the uplink channel resources for User Equipment. Moreover, it has Medium Access Control protocol entities (MAC-e and MAC-es) to enhance and optimize the protocol.

为了改善上行性能，高速上行分组接入主要考虑的技术包括自适应调制编码、混合自动重传、节点B快速调度，以及用户终端如何共享上行信道资源，同时包括增加增强的媒体访问控制实体，对协议进行增强和优化。

Forward error correction and Automatic repeat request schemes are two of error control strategies that have been widely used in digital communications.

错误更正码及自动请求回覆系统是两种在数位通讯中被广泛应用的错误控制机制。

On the mobile communication systems,a forward error correction or automatic repeat request scheme may be insufficient to achieve the desired performance due to the time-varying nature of the channel.

由于移动信道的时变和多径传输特性，常导致系统有较高的误码率，而单纯的FEC或ARQ机制往往无法提供所希望的系统性能。

A QoSguarantee error control scheme was developed for images over wireless fading channels which combines UEP with Forward Error Correction and Automatic Repeat request.

针对可伸展图像在无线衰落信道传输，该文给出了一个新的能够提供服务质量保证的错误控制方案，联合考虑了非均衡错误保护、前向纠错和自动重复请求。

This paper proposed an adaptive hybrid forward error correction/automatic repeat request algorithm at the data link layer for wireless media streaming,in the hope that the media could make receivers to get high quality media streaming.

提出了一种用于无线实时流媒体传输的数据链路层自适应混合FEC/ARQ控制策略，以显著提高接收方的播放质量。

But in our country automaticity higher advanced manufacture enterprise, perhaps in enterprise's some department when satisfies the RCA exploitation conditions and the request, may use this method.

但是在我国自动化程度较高的先进制造企业，或是企业中的某一个部门在满足RCA使用条件和要求时，可以使用这种方法。

Along with the development of science technology, people have higher request to automobile.

随着科学技术的发展，人们对汽车的要求越来越高。

Chimborazo and Cotopaxi, took me by the hand.

越过琴博腊索山和科托帕克西山。

This car is in a good condition.

这辆车的状况很好。