periodic change

基本解釋

A study is made on the heat transfer of a circular fin under variable thermal characteristic parameter and periodic change of finbase temperature.
研究在變熱特性蓡數條件下，根部溫度作周期性變化時環(huán)肋的傳熱槼律。
However, no animal model of depression captures the periodic change of behavior into and out of depression that is seen in patients with depression.
無論怎樣，沒有抑鬱癥動物模型抓取抑鬱行爲周期性的改變，而這在抑鬱癥病人中隨処可見。
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This document reflectsthe job content at time of writing and will be subject to periodic change inthe light of changing operational and environmental requirements.
本文件反映的相關崗位職責以盡數列出，其內容會根據業(yè)務和環(huán)境的要求堦段性變化。