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性能参差
1、excellence in performance───卓越的表现
2、be spread in───散布
3、spread───vt.传播,散布;展开;伸展;铺开;n.传播;伸展;vi.传播;伸展;adj.伸展的
4、spread over───分散,传开;传遍,延续;遍布于…
5、performance───n.性能;绩效;表演;执行;表现
6、spread down───延伸;蔓延
7、spread operator───扩散算子
8、spread collar───展开领
9、spread knowledge───传播知识
1、performance of Direct Sequence Spread Spectrum(DSSS) in severe pulsed noise interference will be badly degraded when the duty factor is small.───当脉冲干扰占空比较小时,干扰能量集中,导致直接序列扩频 (D S S S)XiTong的误码性能较差。
2、Simulation shows co-channel interference and maximum multi-path delay spread have significant impact on the BER performance and PDMRC gives the best performance in most common environment.───FangZhen表明同信道干扰与最大多径延迟扩展对XiTong性能影响很大,在通常情况下采用PDMRC具有最好的性能。
3、In management information system, the query performance of database has important effect on the application and spread of the system.───管理信息XiTong中,数据库的查询性能对XiTong的应用和推广具有重要的影响。