1.太阳的;与太阳同时升落的
1.describes the rising or setting of a star that occurs at the same time as the rising or setting of the Sun, because of their near conjunction
1.There are, conversely, indications that some heliacal risings and settings were noted by the ancient Chinese.
相反,有资料证明,古代中国人对某些偕日升降的星辰有记录。