When did hetian jade double money appear?

Neolithic age. According to the paper on the development history of Hetian jade, Hetian jade dual currency first appeared in the Neolithic Age, and appeared and developed in large quantities in the Warring States and Han Dynasties. Hetian jade is one of the "four famous jade in China". Although Hetian jade is named after Hetian jade in Xinjiang, it is not a regional concept.

What should a doctoral student pay attention to when writing a thesis?

MSFLB-Logistics Park Planning Method | Logistics Park Planning

What is the difference between the first method (1) and11? Are there arts and science?

Is there a good paper duplicate checking software?

What folk games are there in Huangshan? Or what folk games are there in Huizhou? Graduation thesis is badly needed! ! ! !

Plant graduation thesis

800-word argumentative essay with a sense of the times.

Looking at the History of Chinese and Foreign Sculptures �� A Brief Analysis of the Similarities and Differences between Chinese and Foreign Sculptures

On the spread of tea culture

Song Yun Prose Chen Qiaoyi, a famous town in Song Dynasty