countable number

基本解釋

Half is used only with plural countable nouns and refers to two in number.
附上地方檢驗檢疫辦公室的電話號碼以供參考。
http://dict.hjenglish.com
Using the above properties, the problem of the number of the countable model is discussed.
利用上述性質，進一步研究了模型個數問題。
And if you have a countable number of molecules in your system, then if one molecule suddenly captures a lot of energy, then the whole system energy will go up a lot.
如果系統(tǒng)中只有少數分子,要是某個分子突然得到了大量能量,系統(tǒng)能量也會有顯著的升高。