This is the 892nd most frequent Chinese word.
指數
"指數" means "index" or "exponent" in English.
Here, '指數' refers to an index in the financial context, indicating a statistical measure of changes in a market.
股票指數今天上升了。
The stock index increased today.
In this usage, '指數' refers to a specific metric used to measure and report on the state of an epidemic.
疫情指數顯示感染增加。
The epidemic index indicates an increase in infections.
Here, '指數' is used to signify the mathematical concept of an exponent, representing a number that denotes how many times a base is multiplied by itself.