heliacal
「heliacal」的意思
adj. 太阳的；与太阳同时升落的；接近太阳的
adj.[天文]太阳的,和太阳同时或几乎同时出没的
「heliacal」的用法
heliacal日出或日落时的天象，通常指太阳或月亮在地平线上出现或消失的时刻。 - 天文爱好者
「heliacal」的例句
The heliacal rising of the sun is a beautiful sight to behold.
日出是欣赏自然美景的好机会。
The heliacal setting of the moon is a rare and spectacular event.
月落是罕见而壮观的景象。
Heliacal visibility can vary depending on atmospheric conditions.
视距会因大气条件而异。
Many ancient cultures used heliacal events to mark the changing seasons.
许多古代文化利用日出和日落来标记季节的变化。
Heliacal observations were crucial for early navigation and timekeeping.
早期导航和时间keeping中，天象观察至关重要。
The heliacal phenomenon is also known as a solar or lunar transit.
这种现象也被称为太阳或月球的过境。
Heliacal visibility can be affected by cloud cover and atmospheric refraction.
视距可能受到云层和大气折射的影响。
Ancient astronomers used heliacal risings to determine the start of planting seasons.
古天文学者利用日出来确定播种季节的开始。
The heliacal setting of Venus was an important event in ancient calendars.
金星的日落是古代日历中的一个重要事件。
Heliacal observations were essential for the development of astrology.
天象观察对于占星术的发展至关重要。