heliacal
- 1. This annual event is called a heliacal rising.
- 这个一年一度的活动被称为“偕日升”。
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- 2. They continually adjusted it to the heliacal rising of Sirius, ensuring that they never got too far off in their seasons.
- 他们不断地调整它以适应天狼星的偕日升，确保他们在自己的季节里不会偏离太远。
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- 3. This administrative calendar existed alongside the earlier agricultural and religious calendar that depended on the heliacal rising of Sirius.
- 这个行政日历与早期依赖于天狼星偕日升的农业和宗教日历并存。
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- 4. They concentrated attention, not on heliacal risings and Settings, not on the horizon, but on the pole star and on the circumpolar stars which never rise and never set.
- 他们关注的不是星辰偕日升降，也不是地平线附近的星辰，而是永不落下的北极星和拱极星。
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- 5. They concentrated attention, not on heliacal risings and Settings, not on the horizon, but on the pole star and on the circumpolar stars which never rise and never set.
- 他们关注的不是星辰偕日升降，也不是地平线附近的星辰，而是永不落下的北极星和拱极星。
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