cyclic fluctuation的用法和樣例：
例句
- The periodic fluctuation of economic development probably causes fluctuation of electricity demand.
摘要經(jīng)濟發(fā)展的周期波動(dòng)必然引起電力需求的波動(dòng)。 - The model overcomes the unpredictability due to monotonicity and periodical fluctuation of freight volume.
該模型克服了貨運量的單調性和周期波動(dòng)性給預測帶來(lái)的困難。
