Umuco w'inyenyeri n'ukwizunguriza kwayo birafatirwako mu guharura igitigiri citiriwe Rossby cayo, kikaba gifitaniye isano n'ico bita «flux de plasma». The previous text is in Rundi. Here is a translation to Chinese (Simplified):
一颗恒星的罗斯贝数由其光度和旋度共同决定，与等离子体流有关。