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upper case (plenum)的英文翻譯是什麼意思，詞典釋義與在線翻譯：
英英釋義
名詞 uppercase:
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one of the large alphabetic characters used as the first letter in writing or printing proper names and sometimes for emphasis
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relating to capital letters which were kept in the top half of a compositor's type case
upper case (plenum)的用法和樣例：
例句
- The recycled dry nitrogen gas is used to purge the sample chamber and upper lid window surface of condensation.
循環的干氮氣被用於排除腔體內的空氣和吹掃頂蓋窗口。
