ξ (EN)

字母，符号

字母 “ξ”

1. 希腊字母的第十四个字母
   注册以查看例句的翻译和每个单词的单语定义。

   In Greek, the letter ξ is the 14th letter of the alphabet, often used in mathematics and science.

符号 “ξ”

1. （在数学中）一个变量或未知量，常用于概率和统计。
   In this equation, ξ represents an unknown parameter we need to estimate.
2. （在物理学中）振动系统的阻尼比，表示振动在受到扰动后如何衰减。
   A damping ratio ξ less than one indicates an underdamped system that will oscillate.
3. （在化学工程中）反应程度，衡量化学反应的进展程度。
   By measuring the change in concentration, we can calculate the extent of reaction ξ.