Benjamin banneker saw astronomical patterns from which he could make calculations and predictions .

班哲明班尼卡会看出天文星象运行，加以估算及预测。

In his free time , banneker wrote the pennsylvania , delaware , maryland , and virginia almanac and ephemeris .

闲暇之时，班尼卡撰写有关宾州、德拉瓦、马里兰和维吉尼亚的农民历及星象历书。

The almanac included information on medicines and medical treatment , and listed tides , astronomical information , and eclipses calculated by banneker himself .

农民历包含医药和治疗的知识、列出班尼卡自行计算河流、潮汐的信息、和日月蚀的时间。