fluctuations of economic cycle的用法和樣例：
例句
- The first part of the thesis has expounded the cycle undulatory theory and financial early-warning theory.
本文第一部分對周期波動(dòng)理論和預警理論進(jìn)行了闡述。 - 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)。
