纯天然海洋周期性波动极大影响着这些温度的变化，也影响着来自热带的传热模式。
These temperature shifts are heavily influenced by entirely natural ocean cycle fluctuations that affect heat transfer patterns from the tropics.
证明了在一定条件下，热源供热量周期性变化引起的室内温度的波动幅度有限，不影响供热质量。
It is proved that under certain conditions, the periodic change of heat supply from heat source has caused little fluctuation in room temperature, and will not influence heat-supply quality.
研究在辐射和对流同时作用下肋根温度作周期性变化时矩形肋片的传热特性。
The heat transfer performance of a rectangular fin during periodic fin base temperature change is studied under simultaneous action of radiation and convection.
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