The civilization achievements of ancient Egypt, ancient Babylon, ancient India and ancient China in agriculture, writing, architecture, medicine and mathematics, please keep them simple, not too many

The civilization achievements of ancient Egypt, ancient Babylon, ancient India and ancient China in agriculture, writing, architecture, medicine and mathematics, please keep them simple, not too many words. In addition to a few ancient Indian characters carved on stones, bamboo chips, wood chips or bronzes, a large number of characters are

It is written on the bark and leaves of birch. In ancient times, there was a large birch forest under the Himalayas.

In centuries BC, ancient Indians wrote Sanskrit on this bark or leaf. Xuanzang copied India.

Almost all the Buddhist scriptures retrieved are written on the bark or leaves of this birch. Around the end of the 7th century, China.

The paper invented by China only spread to India, and it was not until 1 1 century that India had its own books written on paper.

Ancient Indians began to study astronomical calendars very early. They had many astronomical calendars in the Vedic era.

Knowledge. At that time, they set a year as 360 days, divided into 12 months, and there were also ways to set leap.

The famous astronomical history book in ancient India is Sun Sitando, which was formed in the 6th century BC.

This book tells many questions about time measurement, vernal equinox, solar eclipse, planetary motion and measuring instruments.

Title.

China's ancient achievements: agriculture: Qi Shu and other four agricultural books Qu Long's first song Dujiangyan literature: four classical novels and other calligraphy buildings: the Forbidden City and the Great Wall and other medicine: Huangdi's compendium of materia medica, typhoid fever and miscellaneous diseases and other mathematics: nine chapters of arithmetic pi and so on.