umbral

umbral怎么读

英式音标：[\'ʌmbrəl]

美式音标：[\'ʌmbrəl]

同义词：shadydull

umbral的意思释义

adj.

有荫影的，阴暗的；

英英释义

Umbral is derived from the Latin umbra, meaning \"shadow\". It is also the Spanish word for \"threshold\", and sometimes used as a surname in that language.

umbral用法及例句

例句参考

Umbral moonshine and the Niemeier lattices

Umbral oscillations as resonant modes of magneto-atmospheric waves

Applications of umbral algebra to some special polynomials

More on the umbral calculus, with emphasis on the q-umbral calculus

Umbral Fine Structures in Sunspots Observed with Hinode Solar Optical Telescope

Selecciones nacionales, el umbral de la independencia

Temporal Changes in Sunspot Umbral Magnetic Fields and Temperatures

Umbral oscillations in sunspots: Absorption of p-modes and active region heating by mode conversion

La Generalitat eleva el umbral de las licencias comerciales de 800 a 1.300 metros