单语范例（未经PONS编辑处理）
英语
- Many types of aeration equipment have been used to reduce or eliminate thermal stratification.en.wikipedia.org
- One commonly used tool to reduce the severity of these lake management problems is to eliminate or lesson thermal stratification through aeration.en.wikipedia.org
- During summer these lakes lack significant thermal stratification, and they mix thoroughly from top to bottom.en.wikipedia.org
- Thermal stratification (temperature layers) were found in almost all the bays and monitoring stations.en.wikipedia.org
- In general thermal stratification is spatially restricted to the pools that are typically greater than 45 m deep.en.wikipedia.org
- Natural resource and environmental managers are often challenged by problems caused by lake and pond thermal stratification.en.wikipedia.org
- Hogging is when the shaft bows upwards due to thermal stratification.en.wikipedia.org
- Pools shallower than 4 m have not displayed any thermal stratification.en.wikipedia.org
- Breakdown of thermal stratification is frequently driven by the cooling overnight air temperature.en.wikipedia.org
- With severe thermal stratification in a lake, the quality of drinking water also can be adversely affected.en.wikipedia.org
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英语