ξ Chinese transliteration, Cauchy, is the14th letter of the Greek alphabet, lowercase ξ is used for random variables in mathematics, and uppercase ξ is used for baryons in particle physics.

Extended data:

Greek 24 letters and their meanings

1, α, lowercase α, Chinese transliteration, α. Meaning, angle; Coefficient.

2, beta, lowercase beta, Chinese transliteration, beta. Significance, magnetic flux coefficient; Angle; Coefficient.

3.γ, lowercase γ, Chinese transliteration, γ. Meaning, conductivity coefficient (lowercase). ?

4.δ, lowercase δ, Chinese transliteration, δ. Meaning, change; Density; Diopter 4.

5.ε, lowercase ε, Chinese transliteration, meaning Ipsilon, radix of logarithm.

6.ζ, ζ in lowercase, transliterated in Chinese, truncated tower. Meaning, coefficient; Azimuth; Impedance; Relative viscosity; Atomic number.

7.η, lowercase η, Chinese transliteration, Aita. Significance, lag coefficient; Efficiency (lowercase).

8.θ, lowercase θ, Chinese transliteration, West Tower. Meaning, temperature; Phase angle.

9, ι, lowercase ι, Chinese transliteration, Tao. It means, very small, a little.

10, κ, lowercase κ, Chinese transliteration, kappa. Meaning, dielectric constant.

1 1, ∧, lowercase λ, Chinese transliteration, λ. Meaning, wavelength (lowercase); Volume.

12, μ, lowercase μ, Chinese transliteration, Miao language. Significance, permeability coefficient; Micro (one thousandth); Magnification factor (lowercase). ?

13, parameter, lowercase parameter, Chinese transliteration, new york. Significance, magnetoresistance coefficient.

14, ξ, ξ in lowercase, Chinese transliteration, Kexi.

15, ο, lowercase ο, Chinese transliteration, Omicron.

16, ∏, lowercase π, Chinese transliteration, doughnut. Meaning, rate = perimeter/diameter =3. 14 16.

17, ρ, lowercase ρ, Chinese transliteration, meat resistivity (lowercase).

18, ∑, lowercase σ, Chinese transliteration, Sima. Meaning, sum (in words) and area density; Transconductance (lowercase).

19, τ, τ lowercase, Chinese transliteration, set. Meaning, time constant.

20.υ, lowercase υ, Chinese transliteration, Yupu. Meaning, like dragon displacement.

2 1, φ, lowercase φ, Chinese transliteration, Buddha's love. Meaning, magnetic flux; Horn.

22.χ, lowercase χ, Chinese transliteration, western language.

23.ψ, lowercase ψ, Chinese transliteration, Puxi. Meaning, angular velocity; Dielectric flux (static power line); Horn.

24.ω, lowercase ω, Chinese transliteration, ω. Meaning, ohm (in words); Angular velocity (lowercase); Horn.

Baidu Encyclopedia-Greek alphabet