准稳旋涡结构準穩旋渦結構

zhǔn wěn xuán wō jié gòu

Meaning

quasi-stationary spiral structure QSSS (astrophysics)

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Characters

准zhǔnstandard, accurate; to permit, to approve, to allow冫隹稳wěnsteady, stable; solid, firm禾急旋xuánto revolve, to orbit, to return方疋涡wōeddy, swirl, whirlpool氵呙结jiéknot, tie; to connect, to join纟吉构gòuto compose, to make; building, frame, structure木勾