fluctuations of economic cycle

• 周期波动

fluctuations of economic cycle的用法和样例：

例句

1. The first part of the thesis has expounded the cycle undulatory theory and financial early-warning theory.
   本文第一部分对周期波动理论和预警理论进行了阐述。
2. The periodic fluctuation of economic development probably causes fluctuation of electricity demand.
   摘要经济发展的周期波动必然引起电力需求的波动。