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χ (EN)
字母,符号

字母 “χ”

χ, chi
  1. 希腊字母表的第22个字母
    In the Greek word "χαρά," the letter "χ" is the first letter and is pronounced like the "ch" in "Bach."

符号 “χ”

χ
  1. (在统计学中)用于表示卡方分布的符号。
    The scientist used the χ² test to analyze the experimental results.
  2. (在数学中)用于表示特征函数或多项式的符号。
    In the equation, χ represents the unknown characteristic of the system.
  3. (在语音学中)用于表示在喉咙后部发出的辅音音的符号。
    Linguists use χ to denote a sound similar to the "ch" in the Scottish word "loch".