fluctuating temperature meaning in English

波动温度
脉动温度

It is apparent that rapidly fluctuating temperatures are not indicated .
温度急剧地增减不能被指示出来是显而易见的。
March was marked by low visibility , humid weather and rapidly fluctuating temperatures
三月天气潮湿乍暖还寒及能见度低。
Effects of fluctuating temperature of gas flow on the instantaneous devolatilization rate of pulverized coal particle
气流温度脉动对煤粉颗粒瞬时热解挥发速率的影响