...（1）信号的辐散（divergence of signals） （2）信号的会聚(convergence of signals) （3）信号的延长(prolongation of signals) （五）反射活动的一般特性: 1.最后公路原则 2.
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手机上搭载的接收器隔三差五地接收广播的信号，以便于延长电池寿命。
Phones come with receivers that pick up digital broadcast signals, which are usually sent in bursts to conserve battery life.
CPU负荷增长尽管(写)事务量没有变写日志个数没有变日志文件同步的往返信号传输时间就会延长。
When the CPU load goes up, the time taken for a log file sync round trip can increase even when the number of log file syncs and the volume of redo log generated doesn't change.
在扫描仪控制方面，提出了色差补偿技术，解决了扫描仪在长期使用后出现的信号衰减问题，延长了扫描仪的使用寿命。
In scanner controlling aspect, a chromatism compensation technology is put forward, so as to solve the problem of signal attenuation and prolong the life span of scanners.
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