139 adの例文

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1. It was constructed after 139 AD and extended for 37 miles between the Firth of Forth and the Firth of Clyde.
2. The mathematician, inventor, and astronomer Zhang Heng ( 78-139 AD ) used geometrical formulas to solve mathematical problems.
3. There is also evidence that Zhang Heng ( 78 & ndash; 139 AD ) was the first to establish the grid reference system in Chinese cartography.
4. The Han Dynasty astronomer and inventor Zhang Heng ( 78-139 AD ) not only catalogued some 2500 different stars, but also recognized more than 100 different constellations.
5. The record actually refers to July 21 of 140 AD but is astronomically calculated as a definite July 20 of 139 AD . This correlates the Egyptian calendar to the Julian calendar.