企业并购交易越多，可疑的股票涨落现象也随之增加。
到过海边的人们，都会看到海水有一种周期性的涨落现象，海水的这种运动就是潮汐。
People who have been to the beach, will see that there is a cyclical fluctuation phenomenon of water, which is called tide.
介绍了在用PMT闪烁探测器测量脉冲中子产额时，由于粒子的统计涨落而使脉冲波形呈现毛刺现象。
This paper introduces that the DT pulse neutron takes on the waveform with burred feature because of fluctuation of particle statistic when it is measured through the PMT scintillant detector.
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