A measurement reported in terms of count rate is peculiar . 用计数率为单位表示测量结果具有专属性。
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Net data transfer rate 网络数据传输数率
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The ratemeter and scaler functions are displayed on the monitor making the system ideal for classroom and group demonstrations 记数率计和计数器功能显示在监视器上，系统对于教室和集团会议演示是理想的工具。
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4 . analyzed two types of spread spectrum ( dsss and fhss ) approved by the fcc based on the characteristic of phy layer ; then analyzed the characteristic and technology of the cck modulation and at last put forward an improved cck scheme that will increase the data rate of wlan to 16 . 5mbps 针对物理层的特点，讨论了无线局域网的两种扩频技术? ? dsss和fhss ，分析比较了两者的性能特点和适用的范围，并探讨了一种支持高数据数率的cck调制方式以及使速率能达到16 . 5mbps的cck改进方案； 5
