求大神帮忙ps一下忙

求大神帮忙翻译英文~~  To improve your reading habits, you must understand the characteristics of a good reader. First, the good reader usually reads rapidly. Of course, he does not read every piece of material at the same rate. But wheth_百度作业帮
求大神帮忙翻译英文~~  To improve your reading habits, you must understand the characteristics of a good reader. First, the good reader usually reads rapidly. Of course, he does not read every piece of material at the same rate. But wheth
求大神帮忙翻译英文~~  To improve your reading habits, you must understand the characteristics of a good reader. First, the good reader usually reads rapidly. Of course, he does not read every piece of material at the same rate. But whether he is reading a newspaper or a chapter in a physics text, his reading rate is relatively fast. He has learned to read for ideas rather than words one at a time. Next, the good reader can recognize and understand general ideas and specific details. Thus he is able to comprehend the material with a minimum of effort and a maximum of interest. Finally, the good reader has in his command several special skills, which he can apply to reading problems as they occur. For the college student, the most helpful of these skills include making use of the various aids to understanding that most textbooks provide and skim-reading for a general survey.尽可能专业一些咩.灰常感谢.
想要改善你的阅读习惯,你必须懂得作为一个优秀的读者所必需的特质.首先,优秀的读者通常阅读速度很快.当然,他是不会以相同速率阅读每一段材料的.不过,无论是阅读新闻还是有关物理的文章,他的阅读速度相对较快.他已经学会读取大意而不会逐字逐句的阅读.其次,优秀的读者能识别并理解主旨大意和特定的细节.因此,他可以事半功倍地(以最小的努力获取最大的效益)理解阅读素材.最后,优秀的读者能够自行应用特殊的技巧来解决阅读中出现的问题.对于大学生来说,这些技能中,对理解能力最有帮助的包括,充分利用大多数文本提供的不同辅助理解的能力以及对调查报告的略读信息能力.希望对你有所帮助求大神帮忙_百度知道
求大神帮忙
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The first generation of mobi the second generation was digital. Just as there was no worldwide standardization during the first generation,there was also no standardization during the second, either. Four systems are in use now: D-AMPS, GSM, CDMA, and PDC. Below we will discuss the first three. PDC is used only in Japan and is basically D-AMPS modified for backward compatibility with the first-generation Japanese analog system.第代手机模拟制式第二代数字制式模拟代没世界通用标准数字代同没标准现使用四种系统:D-AMPS, GSM, CDMA, PDC.面我讨论前三种PDC本通行本第代模拟系统向兼容D-AMPS基础修改D-AMPS—The Digital Advanced Mobile Phone SystemThe second generation of the AMPS systems is D-AMPS and is fully digital.It is described in International Standard IS-54 and its successor IS-136. D-AMPS was carefully designed to co-exist with AMPS so that both first- and secondgeneration mobile phones could operate simultaneously in the same cell. In particular, D-AMPS uses the same 30 kHz channels as AMPS and at the same frequencies so that one channel can be analog and the adjacent ones can be digital.D-AMPS——数字式高级移电服务系统第二代高级移电服务系统简称D-AMPS全数字式际标准IS-54及其继任者IS-136范围内D-AMPS经仔细设计使其与AMPS(Advanced Mobile Phone System 高级移电系统)共存第代第二代系统能同部手机运行尤其特别D-AMPS与AMPS采用相同30kHz频道频率相同通道模拟相邻通道设数字When D-AMPS was introduced as a service, a new frequency band was made available to handle the expected increased load. The upstream channels were in the
MHz range, and the corresponding downstream channels were in the
MHz range, again in pairs, as in AMPS. In this band, the waves are 16 cm long, so a standard ?-wave antenna is only 4 cm long, leading to smaller phones. However, many D-AMPS phones can use both the 850-MHz and 1900-MHz bands to get a wider range of available channels.D-AMPS作项服务引进新频率范围发应要增负荷行信道范围<img class="word-replace" src="/api/getdecpic?picenc=0a007a50–1910 MHz相应行信道范围<img class="word-replace" src="/api/getdecpic?picenc=0a007a30–1990 MHz像AMPS现频率范围内波16厘米所标准1/4行波线度仅4厘米由产更手机许D-AMPS手机使用850-MHz1900-MHz两种波段获更宽用频道范围
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